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 TARLAC, TARLAC Award a ₱973.0K contract to AMP CONSTRUCTIONCities
Transaction hash:
512676ad358bef8ba3fdbdc8f68ae29a633aebb36459c2126f62637a11acdfaf
Status:
Included and unchanged
Block:
#3,392 2,621 blocks after it
Position in block:
Transaction 109 of 376
Award day:
Apr 16, 2018 (8 yrs 7 mo ago)
Value:
₱973,032.75
Project:
Concreting Local Road
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 #3,392 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 TARLAC, TARLAC awarded it to AMP CONSTRUCTION on 2018-04-16.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 Tarlac 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 512676ad35…acdfafnow …
- 2. Block Merkle root changedstored e6860180f4…15a3c2now …
- 3. Block #3392 hash changedstored 2eda50c3e0…ef9cd9now …
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 375 records. Each step hashes the current value together with the sibling shown.
- leaf 512676ad358bef8ba3fdbdc8f68ae29a633aebb36459c2126f62637a11acdfaf
- 01 L 504cca76d3f48cf469387d4e8a0ede883570b15a3651281c22837c467231cdad
- 02 R 8c6519525c23497634c4b6c7051bfc5a8ad380d2dc16b1228992446dfcf07267
- 03 L 9d84c1d6f1c8b6552eb83fd9f2967f331d2a7d4515571eda88ac8a5c9b4ba1dc
- 04 L caaa76b06d298cedeac0cbe839d062750ab3a7e1751b86d3c89cf318ced3089c
- 05 R 1e44ed36bb6bf83f77424652887db531c97c7d6e31ee578912b3941bcef859e6
- 06 L 1e08a0fc70d6501cee0af1407c15c08a0d0690195c666ad45d6453960e158fb8
- 07 L 69d23218de329b000e00d1060c7e956eb4c5d727a0b44bd3d7068842fd42f93d
- 08 R 85d203a990df1499592b2429296b4caf032d11995b649e0d6f425392044c6080
- 09 R 1066a64f4521dfefecf3c07871d2046b232dc8914c62d149706a1c6a73c4d876
- root e6860180f4d0f444c28b8101791d7ab9201dc21dff5dcbe38dc0f98e8315a3c2