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 PUERTO PRINCESA, PALAWAN Award a ₱374.9K contract to OLYMPIC CONSTRUCTION SUPPLY, INCCities
Transaction hash:
45f66075e25b15ec8bb712fdfe428669db5d78bf04bd4be864c6819907ed33cb
Status:
Included and unchanged
Block:
#2,498 3,515 blocks after it
Position in block:
Transaction 98 of 368
Award day:
Aug 24, 2015 (11 yrs 2 mo ago)
Value:
₱374,897.00
Project:
100-2015-03-203 Const. Materials & Supplies
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 #2,498 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 PUERTO PRINCESA, PALAWAN awarded it to OLYMPIC CONSTRUCTION SUPPLY, INC on 2015-08-24.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 Puerto Princesa 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 45f66075e2…ed33cbnow …
- 2. Block Merkle root changedstored e4b7bbfe50…10c30cnow …
- 3. Block #2498 hash changedstored ad6cae9dcf…1225afnow …
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 367 records. Each step hashes the current value together with the sibling shown.
- leaf 45f66075e25b15ec8bb712fdfe428669db5d78bf04bd4be864c6819907ed33cb
- 01 R 46b7e51ed20715c583cabd3a6894407d714e5e91a0e1ee5f8c7ec94c271f6171
- 02 L 6602a04fcd6a9dd46605ca85b69e0933204b8b7c2065add6b3423916092cf72c
- 03 R 22408ff98378596abe5d76c80875476a3cb527621176a0bc40d4a1ffd7650dcc
- 04 R ba0ed7c75360bd94dae628950b47f1e1d9ec88c677bfa2ca57f01a39ad8a6cb6
- 05 R b8d534d5c6adcb1df2a3263f9a0ad4f20b8e99b573b3d0c27e6a917a4de1bafa
- 06 L b5cbc1f532a340e990f088860cf767349e8dd3e5818b4cc5bf069196d5b35902
- 07 L 0ea4749496ec50473b60f744ff01e49cb182dec4c87f0b034186c262db52748e
- 08 R bcb022cd92ad4360ea80b4a734b117642595ee68c07ea96ec4a836e1f9aa45d4
- 09 R ce9e8724a388ec6fd6eb940c64f3981397f122d85fdfda036247b9878d9acc01
- root e4b7bbfe508a0aa082863f4cf1ea24b5fa20193edcb71c57ebb9c2553710c30c