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 CORTEZ SANTOS CONSTRUCTION AND SUPPLY CORP.Provinces
Transaction hash:
c3dddcb5c93ffbf0e28296d717b7c24e6a2c52f75b181deb2c7cd99063ea2b9f
Status:
Included and unchanged
Block:
#4,740 1,273 blocks after it
Position in block:
Transaction 644 of 838
Award day:
Mar 8, 2022 (4 yrs 8 mo ago)
From:
Value:
₱1,137,713.34
Project:
Improvement of Ynares Multi-Purpose Covered Court
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 #4,740 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 CORTEZ SANTOS CONSTRUCTION AND SUPPLY CORP. on 2022-03-08.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 c3dddcb5c9…ea2b9fnow …
- 2. Block Merkle root changedstored e6e8da3378…19f8e9now …
- 3. Block #4740 hash changedstored e9416456e3…9fe99bnow …
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 837 records. Each step hashes the current value together with the sibling shown.
- leaf c3dddcb5c93ffbf0e28296d717b7c24e6a2c52f75b181deb2c7cd99063ea2b9f
- 01 R c3fb70ba8a697c5574041b162e0facfd2efffb85b9e96950234be748cbb03e3c
- 02 R 247e2ad678477d25cebf337e5a508b05003f86b42e4a0acd583e3e2f82d70a3a
- 03 L 55e7db9bb66179cb7061679ae66f3fb85ac32b7de7f9cba29f2758e753d0550e
- 04 R e5880305b5d9453ae7e34c42f01af3b5f43ad790bfb4be42c2d8210e9d45ae58
- 05 R 779623960d5be8af20ffcf1cf08605ba8e40149a1134815f2917d6370740481c
- 06 R 0d84085cd1bd85357fb9481c855cd3acdfff08e9a959eb631b963e62c5d9264f
- 07 R 25c86b8fbaaf42721b7c8aaed234aef06eccfb4309d42e5fc092b88192cc1c7c
- 08 L a325ed41f9b43b0032814c5cb9389c3b40ef4095e4d563760354537f4718cb1b
- 09 R 7ae3fce5059b39c98c99c665f9564940b243ca0636a551c1f5b51835d23d9eef
- 10 L 6ee29da2c5d74c5373884bd7bd0d1d2a556fcdfdb5171ce27b8fd0a6119b5be4
- root e6e8da3378ae17754b373ef3968901eb9b9ffa23d062bfbf6f488dcc3619f8e9