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 GOVERNMENT OF LUCENA Award a ₱290.9K contract to DATZLAV CONSTRUCTIONCities
Transaction hash:
1f37dd7e8b77cfddcb33e71812ce6e975f41d34682002ca8a8f6d8604d60cf57
Status:
Included and unchanged
Block:
#4,555 1,458 blocks after it
Position in block:
Transaction 28 of 216
Award day:
Sep 1, 2021 (5 yrs 2 mo ago)
Value:
₱290,911.96
Project:
Metal Post for Electrical Wiring & Deep Well
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 #4,555 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 GOVERNMENT OF LUCENA awarded it to DATZLAV CONSTRUCTION on 2021-09-01.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 Lucena gave a "unmodified" 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 1f37dd7e8b…60cf57now …
- 2. Block Merkle root changedstored b2adec6bd0…87b7d6now …
- 3. Block #4555 hash changedstored d4ef9df625…7783fdnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 215 records. Each step hashes the current value together with the sibling shown.
- leaf 1f37dd7e8b77cfddcb33e71812ce6e975f41d34682002ca8a8f6d8604d60cf57
- 01 R 232511580131b2155d037c4604af2c0adb03056179357501820ba9212e25570f
- 02 R 9782aceabc373ef104109f3a7e18c5cd3b738389fce0813af0c16148f0da404a
- 03 L 7cabe2879504e2fb13044dd5e2a7e7ffc68ac421566188d0d9c63b2d45138b03
- 04 L 28e3cbd423a64184a3bd690afe614600c889974060f7fb7adc91903b594ddc65
- 05 L c008e19bd314e4874ba781a02be846b635d8a7ecde80006137ef982ce02b8801
- 06 R e112f5418622e16acc21811bff46e6ead598bb085747ec80db809baa8404f6f0
- 07 R 3cbd6907e20ea71f1867e18990b4a89384d8597a76e1f50ec6e83cc76f0b6cd7
- 08 R 43d7f7383a6d63cca46fc1e1d5e4ccc89d784073da86cacf11b021b718f18db2
- root b2adec6bd08947fdd806d55219f72fe09a072c6eda4532aca49a7b789587b7d6