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 TAYABAS, QUEZON Award a ₱995.1K contract to R.A MENDIOLA CONSTRUCTION & DEVELOPERCities
Transaction hash:
331cc4e61cc372413c6f06ca5c0743688cd5f983366b6ef9f24eab90b687020c
Status:
Included and unchanged
Block:
#3,268 2,745 blocks after it
Position in block:
Transaction 102 of 478
Award day:
Dec 8, 2017 (8 yrs 11 mo ago)
Value:
₱995,127.72
Project:
Construction Projects
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 #3,268 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 TAYABAS, QUEZON awarded it to R.A MENDIOLA CONSTRUCTION & DEVELOPER on 2017-12-08.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 City of Tayabas 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 331cc4e61c…87020cnow …
- 2. Block Merkle root changedstored adfb85993d…101b0fnow …
- 3. Block #3268 hash changedstored 6de9c30b0e…a12ef8now …
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 477 records. Each step hashes the current value together with the sibling shown.
- leaf 331cc4e61cc372413c6f06ca5c0743688cd5f983366b6ef9f24eab90b687020c
- 01 R 33693a35c53f3cf543aa6e5c533677153550762feb4765c1b625607e851f2646
- 02 L 7c7ac90b61fe5339fd0a615c241b12714408cbc33d393d588937b78fd0b16c61
- 03 L 62a19842923ea1c0b95517e3431e342a23a43320c3f559d87ad01ff18bc09439
- 04 R cd2dca4b6e7fe2bf39305f93aedc262a71cc18c0c2501bbe986ad2439e6a44fd
- 05 R 0eecf3f12bb125fb557ec6c18cc3e99ed99d45e55fb036033a18eb6c7ffb17c0
- 06 L bb5eff7abbb322129aa67b5ee6021d0e074ceb31c9b0ec207f3b5bd81cccaf43
- 07 L 3fcf4d7d0af6e212b21eb05b3303756e38566792033b4c57c7d4292189a9272c
- 08 R 974c31a69c521bf89d9f637ce4f577b4a1d2570e73a2876615a385d5465c8817
- 09 R b73aab02621de84b746c6502742de3d82e6dd9011b7c6f70f20d7b4b8e59b0be
- root adfb85993da14a506c8e44fc2d7c0817fbda0e98d0c3b86623f5a1fc25101b0f