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
MUNICIPALITY OF TANZA, CAVITE Award a ₱3.8M contract to TTAI GENERAL CONSTRUCTIONMunicipalities
Transaction hash:
969fbfca70f3d48441b4e46392627c0051ae1f21bd5442c762e01c2e979c17cd
Status:
Included and unchanged
Block:
#4,602 1,411 blocks after it
Position in block:
Transaction 178 of 290
Award day:
Oct 18, 2021 (5 yrs ago)
Value:
₱3,788,817.11
Project:
Construction Project
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 #4,602 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)MUNICIPALITY OF TANZA, CAVITE awarded it to TTAI GENERAL CONSTRUCTION on 2021-10-18.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 Tanza gave a "qualified" 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 969fbfca70…9c17cdnow …
- 2. Block Merkle root changedstored 90c20069a1…a8ef11now …
- 3. Block #4602 hash changedstored f059031ac8…5f95d0now …
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 289 records. Each step hashes the current value together with the sibling shown.
- leaf 969fbfca70f3d48441b4e46392627c0051ae1f21bd5442c762e01c2e979c17cd
- 01 R 9721d20aa75c1c5690aae208216edb82eaaea8315803989116ea972830079c26
- 02 L 46b3781f5df367b568ff0d2b57846aa4f1d031f90ededfc22a5f43311200833e
- 03 R e9ea9ac1d03074d47e889fc88fd9d9296d8837490f3a771a1827a4bdba3b95f0
- 04 R fffb0b4527ee97ad87ef5dc24ff1fd8363c3d0563987b5087eb424f6c1566866
- 05 L 4e078bca8c34415f1b4159702cac45f963bdc07fbc517d95a2322c618d56c177
- 06 L e79f9ffe4c831c92d827a76aa354a903d95f2c976d7fd021967c6e3dcf574d06
- 07 R d610eff1251ee447c25a9c8399045bef301a2b841d5ef4e9a11d5e7de2f68d89
- 08 L 2a8ddab75b294b7a3cd3ed6588e1a119bc5ab0872c378e258a90cd4d3a2ef3e5
- 09 R 10183dfe3886be99bb81d719f447986bca4baae81168ed8550c3b1350a9a53c3
- root 90c20069a13ba8a68ce4824fa00502281c0dda43c9448b69a57c1deef5a8ef11