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
UNIVERSITY OF THE PHILIPPINES - MANILA Award a ₱1.5M contract to J.P. SANDOVAL CONSTRUCTIONNational agencies
Transaction hash:
d603ef0f904cde7b09df6aaa0dbbb252d11ff6e141ef7e1c35fcdec594277b86
Status:
Included and unchanged
Block:
#4,823 1,190 blocks after it
Position in block:
Transaction 122 of 151
Award day:
Jun 10, 2022 (4 yrs 5 mo ago)
Value:
₱1,549,897.82
Project:
Waterproofing, Repainting, and Miscellaneous Works
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 #4,823 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)UNIVERSITY OF THE PHILIPPINES - MANILA awarded it to J.P. SANDOVAL CONSTRUCTION on 2022-06-10.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 d603ef0f90…277b86now …
- 2. Block Merkle root changedstored f812f87d61…e1641enow …
- 3. Block #4823 hash changedstored 81820f09f2…ecf670now …
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 150 records. Each step hashes the current value together with the sibling shown.
- leaf d603ef0f904cde7b09df6aaa0dbbb252d11ff6e141ef7e1c35fcdec594277b86
- 01 R d6ae251f99173a0796d52939ca75c0d0b124d6b2a2ec3b42b70f7b071112489e
- 02 L fbb8b42e7158bc44a6424a4949a2b4a76e38c583a27ac8e8bb0251222667b923
- 03 R 2af5d754ff8097ef4af47dfef656686613ea502af5f95a6a9aa4ccff0757e0c7
- 04 L 458c725411fb5c490139fe922b49f8bffec66ff698c0c9f374a373ca67c8a7aa
- 05 L 03a2ff2615d509737c05bec878207c90f1acc72297039e9b1390cec99e954b7b
- 06 L 009ceb9c91cc80c6491959c0c99881493376d2fbd0e74139a43f0d8c2c17504b
- 07 L 179368199eb418c347412250918da403be35ace7e5a7cae943fe58ec43c0a7f5
- 08 R ae045c7728f41a54a5586176f750b75e6effdc8129d03e32c3f10546ddbb611d
- root f812f87d61394ce851cc49d1191e0ba8adba495f4fe20cfba9b9cd1190e1641e