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
DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - 1ST MM ED Award a ₱3.7M contract to 121 CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
8fdc773e79956ffa71d0af2e106239b606d9b5edf1991dc3f702d005a1a47ddf
Status:
Included and unchanged
Block:
#1,130 4,883 blocks after it
Position in block:
Transaction 12 of 23
Award day:
Apr 27, 2011 (15 yrs 6 mo ago)
Value:
₱3,703,029.13
Project:
Repair/Rehabilitation
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 #1,130 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)DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - 1ST MM ED awarded it to 121 CONSTRUCTION CORPORATION on 2011-04-27.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)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 8fdc773e79…a47ddfnow …
- 2. Block Merkle root changedstored 95c4cbe41e…9675cdnow …
- 3. Block #1130 hash changedstored 007ffba0d1…5609b9now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 22 records. Each step hashes the current value together with the sibling shown.
- leaf 8fdc773e79956ffa71d0af2e106239b606d9b5edf1991dc3f702d005a1a47ddf
- 01 R 93ff5b251ee1740a1962f6bd24ed02ebfdfebf054576a43e5622d5a9ecbdbe3c
- 02 R be660039cd9d3e2b29c5d623c9024b79d4fa7681ea289cfbbd7b1382d07bddc1
- 03 L 161f6108c784fc7050a00a98fd151a5763e32e98183ed15099af414200c1a5f7
- 04 L e1458515cfcf6a1c06a3667e70ccf1273be189d659272aff02228e9d049ee714
- 05 R 2c67c7f409bead33d2c2ba9b9f99c19cf4f1dcd38149915d585a87a2d5a6cf95
- root 95c4cbe41e820f8c74e196a5c8ff4b21e8cb2d3b69fb7b49aeb599e1899675cd