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
PROVINCE OF RIZAL Award a ₱1.1M contract to YAKALER CONSTRUCTION AND SUPPLIESProvinces
Transaction hash:
cd99e2a2a8de3206be67864580cc41dc21ec5292c098c38e7943d38a8c8be815
Status:
Included and unchanged
Block:
#6,001 12 blocks after it
Position in block:
Transaction 292 of 373
Award day:
Dec 2, 2025 (11 mos ago)
From:
Value:
₱1,058,099.56
Project:
Repair/Repainting of Ynares Multi-Purpose Covered
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 #6,001 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)PROVINCE OF RIZAL awarded it to YAKALER CONSTRUCTION AND SUPPLIES on 2025-12-02.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 Rizal gave a "not stated" 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 cd99e2a2a8…8be815now …
- 2. Block Merkle root changedstored 27f5cf14f5…20e149now …
- 3. Block #6001 hash changedstored 6d6d17717b…4c57d7now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 372 records. Each step hashes the current value together with the sibling shown.
- leaf cd99e2a2a8de3206be67864580cc41dc21ec5292c098c38e7943d38a8c8be815
- 01 R cda7add4c3361daced031db54e9b1b9a1deb24dd12f6c098753b729487d45b3f
- 02 R bd36247a43bc0ff5413e3d0ad9b7ceb6f7d508704a05101befaba80dd51603d6
- 03 L 82470fd5bea991ad1b7ca248093918eea38db567065e696f2e11ebaeb4e040a5
- 04 R 8528098f4bb69d3f0f1a833d375e40199206119fb3f87fc839d109e454866fb1
- 05 R eb240d20b0ab4ae71dd63f14396ad922fdf5063b99a5f9ca8c7c75e92011c194
- 06 L 11db3dabdddd48e78ba9dbe4bd580693eca9a8e02a7f8d494878b36a8a23f441
- 07 R 52a9a11e2d47158bf456e6fdc7628d7c2073ec015615500dff7f723f1209f331
- 08 R 3d4b6294470488098632739a27accb6576b07dea997634c6b1011d8f2a9355d9
- 09 L c2caaa69acfb0ae16f9ef8ce4356503b97cafe32e7f8833a5a72f83947a1b216
- root 27f5cf14f51e2d3eeecf7083c431590288b7980cfb688b473328b01e1d20e149