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 - QUEZON CITY 1ST DEO Award a ₱13.1M contract to P.J. CRUZ CONSTRUCTION & TRADINGNational agencies
Transaction hash:
1d8c2f0de4014f5cf7f2eeeca5e6ace13300d1a19336a8ab13e207935cca02c4
Status:
Included and unchanged
Block:
#1,190 4,823 blocks after it
Position in block:
Transaction 8 of 47
Award day:
Jul 13, 2011 (15 yrs 4 mo ago)
Value:
₱13,092,000.12
Project:
Rehab./Reconstruction/Upgrading of Damaged Paved Congressional Ave, Q.C. (K0010+890 – K0014+179)
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 #1,190 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 - QUEZON CITY 1ST DEO awarded it to P.J. CRUZ CONSTRUCTION & TRADING on 2011-07-13.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 1d8c2f0de4…ca02c4now …
- 2. Block Merkle root changedstored c939f60f06…fb811bnow …
- 3. Block #1190 hash changedstored baa383e88d…59fc80now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 46 records. Each step hashes the current value together with the sibling shown.
- leaf 1d8c2f0de4014f5cf7f2eeeca5e6ace13300d1a19336a8ab13e207935cca02c4
- 01 R 1e60ba187accdccf9f9068f51b91fbddb118c28741e6cae97e0469de40b2fcd5
- 02 R ed2718da5199242fb372fdc0bba1518ceb99bf2aa0c46f3055e3dcd307f57ba0
- 03 R 35fdff5aab3770e50a8a8d1b04ee6d792afa40654662f53d22459eae9a3a1343
- 04 L 27a13cb32f3cf7df2bb7a0d9341eab68f2bcd798ca1b3ddad910eea865e42161
- 05 R cca9b1064eddb0ecd24f56ae31dd4016c92424982ff630ddc13cead547e3d8b5
- 06 R 602bacb04364a2a010f1312f9cfa1ce114d4bbfc4436d2787e027c20d6048c78
- root c939f60f06d95cfa4b5bfe976001889d156572370abc1fc06ef6a80817fb811b