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 AND HIGHWAYS (METRO MANILA 3RD ED Award a ₱85.3M contract to AYLAN CONSTRUCTION AND TRADINGNational agencies
Transaction hash:
012dfd9b49dda86c06b02e03bfab2376ad9303d9086052d4b3ade0e1ca386356
Status:
Included and unchanged
Block:
#5,059 954 blocks after it
Position in block:
Transaction 1 of 553
Award day:
Feb 6, 2023 (3 yrs 9 mo ago)
Value:
₱85,271,997.66
Project:
23OD0087
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 #5,059 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 AND HIGHWAYS (METRO MANILA 3RD ED awarded it to AYLAN CONSTRUCTION AND TRADING on 2023-02-06.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 012dfd9b49…386356now …
- 2. Block Merkle root changedstored 04500cd877…664b3anow …
- 3. Block #5059 hash changedstored c6a04caafe…7912danow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 552 records. Each step hashes the current value together with the sibling shown.
- leaf 012dfd9b49dda86c06b02e03bfab2376ad9303d9086052d4b3ade0e1ca386356
- 01 L 00f6bbe234b5def1eaf97dd0d8caf8fcb3b5ce2629b44d0df7c9aedb73f7a9da
- 02 R cb71b8c8b668347a34313d2c6170a20b0c6807b1079ee809c34d3c906dba7c8c
- 03 R ddcc56f40098ebd75a8aee492fe68e287f94ff46cef6856ff632167ce156fa7c
- 04 R cc73bb394cb5b2caed240a86cedb9dad1ea215977403425e7f53f6672f9804cc
- 05 R 12a5f647928e424016263acc3ba3353274e53eb5a5cf9dc5819d35a783c47555
- 06 R 9634c8e55c3190cbf30fa698be63a520b89604e44c9748241565e56bad72fcab
- 07 R 515120c54477eff225fea6921f11a21d90b8987ee3bd44ab487bc9f767128d5e
- 08 R 02f8052d961720d6707cb65f84c50b61e82fb3dde53d3c0ad01411a54b14a3fe
- 09 R 2921347cae00deb70145a429e0e378fab8abd56be0a2878f0b44563f03ee32e3
- 10 R a2bc1b9835ff73cc5b3d6e88a213a7a5f07afcdb2de49f47a263b426a022e198
- root 04500cd877ee6ed6ee36680a7c253a9487fe94bbf0676736d04bd8c7c8664b3a