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 ₱425.6K contract to DIAZ AQUINO CONSTRUCTION CORP.Provinces
Transaction hash:
ed4e03b6cee8cfc19d7ddf4bff634fdec737bc3e11d61d6fd8b5853656487d7c
Status:
Included and unchanged
Block:
#5,869 144 blocks after it
Position in block:
Transaction 915 of 973
Award day:
Jun 3, 2025 (1 yr 5 mo ago)
From:
Value:
₱425,600.95
Project:
Construction of Drainage Canal at Pearl Avenue and
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 #5,869 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 DIAZ AQUINO CONSTRUCTION CORP. on 2025-06-03.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 ed4e03b6ce…487d7cnow …
- 2. Block Merkle root changedstored 495eef2d88…ecc4ffnow …
- 3. Block #5869 hash changedstored bfd37c9c64…e46defnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 972 records. Each step hashes the current value together with the sibling shown.
- leaf ed4e03b6cee8cfc19d7ddf4bff634fdec737bc3e11d61d6fd8b5853656487d7c
- 01 L ed18fc5556cd70de33f5ea08342de84750c6fac004d15d995028fb457a5878e5
- 02 L ef00028c89b8a0bbb91e55fd06f56f1847e6885d3768eaf93eac1ac13f35b4fe
- 03 R 6daf79db0bc1836b3fe2367f6e679aa043bca6bebc4f40786cae216714ae9401
- 04 R 69e314fe2de7492490c6e0fc7a7526b5df832ca9cebfa8fd8db6f4e7439c6815
- 05 L fbaa3d216c2851be05f4a0216f8b897aa7a093a8f1de779b741fecd237c015e3
- 06 R a8272ef4129f9c059893a776d9f3a294b66031abde182a2807ca50119709eb9d
- 07 R 61f8710b4466b2edc566d11e82bb2d18c616428203cbe75551d9f95433544a09
- 08 L f425856c0cc58a079532c4c2202557ac611d27438eb630a3d740a37469d7b39f
- 09 L 925aa8030dc7dd2fbf0b76e61165e77977abe922614ffb6cb88a7d990165a10b
- 10 L 204c3970e88c45607053cc07a0c6e87777595069006345a9b1345a8b7784a78f
- root 495eef2d884fd5bcf9046944b441a9cd744dc7ba353424443dd5074746ecc4ff