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
NATIONAL HOUSING AUTHORITY Award a ₱197.7M contract to STRUKTURA TEKNIKA SERVICES COMPANYNational agencies
Transaction hash:
586cbb8a36113c53bb903b5e51432c0bed92f3df899ce4e0123a9eb61a21ab2d
Status:
Included and unchanged
Block:
#1,945 4,068 blocks after it
Position in block:
Transaction 68 of 233
Award day:
Dec 16, 2013 (12 yrs 10 mo ago)
Value:
₱197,731,553.16
Project:
Six (6) 5-Storey LRBs, Brgy. St. Joseph, San Juan
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 #1,945 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)NATIONAL HOUSING AUTHORITY awarded it to STRUKTURA TEKNIKA SERVICES COMPANY on 2013-12-16.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)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 586cbb8a36…21ab2dnow …
- 2. Block Merkle root changedstored 9de1318c3a…793801now …
- 3. Block #1945 hash changedstored 7d04df04f7…ef3502now …
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 232 records. Each step hashes the current value together with the sibling shown.
- leaf 586cbb8a36113c53bb903b5e51432c0bed92f3df899ce4e0123a9eb61a21ab2d
- 01 R 5893524bb772d4ca58e070339993f7c87614139504e033b215258642db9ad5ca
- 02 R 7aad29038dff2e5495d6f78b8150c741c4ba4099d3c26f6404eeea1b3bc2b2a7
- 03 L 5380bee469804467f4266529ea34cbeaadd0d6c8cfbc7eed75b3d77d1856d17c
- 04 R 88af85abd359261da04675e872aa4e81c36a6b9be2b30d7f37dedb32eae53e3b
- 05 R 20b3915f417548c94d6b1ef4a6abb1020c200200a25fd8b3172e3b62584f3bae
- 06 R 85698ab398009d8d9ab44aa7d0731d56ef2a29b0e948646524d357ff0dd7603f
- 07 L a2ffe3884294ed383bbf91b61f95ad69efbf4979a9839e68d9d504accd2a3b4d
- 08 R 9dcdfc2af80de59508089d6bc5cbff13591bc38962c5935b9d484803335584a2
- root 9de1318c3ae9e1c304f29f1cf240d77bbc330d79d04c3f2cf75957d6f6793801