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 ₱299.4K contract to DATZLAV CONSTRUCTIONCities
Transaction hash:
5fd1d40f0b749ffbee7acb3aeb9a1e5c1da5f0971ebeb964182b36b762185936
Status:
Included and unchanged
Block:
#5,862 151 blocks after it
Position in block:
Transaction 155 of 414
Award day:
May 27, 2025 (1 yr 5 mo ago)
Value:
₱299,388.87
Project:
Construction/Rehabilitation of Pathway
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 #5,862 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 2025-05-27.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 5fd1d40f0b…185936now …
- 2. Block Merkle root changedstored 99b1369680…be1ff3now …
- 3. Block #5862 hash changedstored d98fefe369…5c6040now …
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 413 records. Each step hashes the current value together with the sibling shown.
- leaf 5fd1d40f0b749ffbee7acb3aeb9a1e5c1da5f0971ebeb964182b36b762185936
- 01 L 5f4cb375707579ad88e58b5893acb0e471032cf515bc62810e0e6b259bedd0d6
- 02 L 045a1abee32a5207df9df12b0bcb92312a87fa87e66bfade47146a76fc2e5758
- 03 R 58e0ca5ef3103ed73c41f5a15d130625b3d7944a6bf955d07f3f28f26526d6be
- 04 L 1647f9e3c1deb286cf70a0bdbcee0dc21e2fb2d58c7bf5f897cd86a2d2602f3f
- 05 L a7589024723bfa1740087181ab437a705e2d7de21872d4bbf1ca842949dcd14e
- 06 R 3011290ccd15fa29fe497d64e89bc573cff8fe1e6c14787552c6df25e3d55d0a
- 07 R a9d42f22e09cdc029e918f6894d90a30e3adbc4a7071bf76f30eb62a0241acba
- 08 L 7b5b89cec2be8e20b0a519ea0afc6ffd4003666bb00433145c764e9530fde9d2
- 09 R 68f727c26dc98cd8436467f39160860b30cd9fda170510750a50c9d7f9d77ea8
- root 99b13696806cccfe710c66120a5ebd5a1658ac70e8adabb244416fe5a6be1ff3