DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
CITY OF PARAÑAQUE Award a ₱7.0M contract to CRESTA MANAGEMENT & CONSTRUCTIONCities
Transaction hash:
49dee42611e1e5dbeb2f65cf27d8691e059fbfed001c2e72e123c5141f097c8f
Status:
Included and unchanged
Block:
#5,812 201 blocks after it
Position in block:
Transaction 367 of 1,376
Award day:
Mar 26, 2025 (1 yr 7 mo ago)
From:
Value:
₱6,966,816.81
Project:
Cons. of Drainage System & Concre. of Pathways
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #5,812 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)CITY OF PARAÑAQUE awarded it to CRESTA MANAGEMENT & CONSTRUCTION on 2025-03-26.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)COA's CY2024 audit of City of Parañaque gave a "unmodified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored 49dee42611…097c8fnow …
- 2. Block Merkle root changedstored 826d57e981…f5a1fdnow …
- 3. Block #5812 hash changedstored c3af4c89f9…8b611bnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (11 steps)
How this one record is tied to the block's Merkle root, without needing the other 1,375 records. Each step hashes the current value together with the sibling shown.
- leaf 49dee42611e1e5dbeb2f65cf27d8691e059fbfed001c2e72e123c5141f097c8f
- 01 L 499536ae37190f109af2f1848f2a09b704ed67002e0bf3bbe3020fb418e1040c
- 02 L feefeb287dbcaedeebfd6799d1eec11c69f74b90c8580873726fdb323d7f8caf
- 03 L a850c3d13a2962ffa750d07fff9fe472b164fe10b41b7b0eb6ba33f628f1ab34
- 04 L bb2be91d722e254e8531f953508a4e8f18de7e111a1f9e787832000f6d73a1b1
- 05 R 4e2ed9c1ad0ce196fbacdf05eeb2fe6f531ddae6fa4ab687e0ee694ecaee2bca
- 06 L 14b5ce6a8bb9a8e89484cfb54055eba1d20f990575fedf77ad54d0b7057d9783
- 07 L 93259fe9a7d3f98d8bb79bd0d17273f7da2cb875d911acab5e71ad84bc91f73e
- 08 R 00398d4e188aa9b966dc748271764724612d427fc4ecc1d71f8a558efa464974
- 09 L 55b7381535de9b369761a7d624a3fce0104706a7f152af1c059603f4bfb68a0c
- 10 R d55d1c8f53945234c68af2d89c630cea3d72ee4fa0e00e589f052fb479d313be
- 11 R 4d35a1f3e3f031846bc86d8addc31223950dc05559140a8d8095a8d578ed57eb
- root 826d57e98128d5f582135baa887df2bf20ad5c3407f984661dd09ea7c2f5a1fd