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
CAMARINES SUR POLYTECHNIC COLLEGES - NABUA CAMPUS Award a ₱185.3K contract to REC CONSTRUCTION SERVICESNational agencies
Transaction hash:
31d7efd45f2e98a40c8f4eca1c30822aa7c6a236bab48ff265c3b40a661b5d56
Status:
Included and unchanged
Block:
#4,575 1,438 blocks after it
Position in block:
Transaction 39 of 191
Award day:
Sep 21, 2021 (5 yrs 1 mo ago)
Value:
₱185,350.00
Project:
Refurbishment of Control Room at Gymnasium
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 #4,575 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)CAMARINES SUR POLYTECHNIC COLLEGES - NABUA CAMPUS awarded it to REC CONSTRUCTION SERVICES on 2021-09-21.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 31d7efd45f…1b5d56now …
- 2. Block Merkle root changedstored e731c13e9b…101e44now …
- 3. Block #4575 hash changedstored 9e8bad0b09…0ce6ccnow …
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 190 records. Each step hashes the current value together with the sibling shown.
- leaf 31d7efd45f2e98a40c8f4eca1c30822aa7c6a236bab48ff265c3b40a661b5d56
- 01 L 31cebd1ac49b37a9c29b78dd2d14075ba4927ca62dc3e8dc5ed4e9df1d7f7ce3
- 02 L 69b7b516fd5a48562eb39a5507cca3ca57c83abfb005b4b5d8cd643243be9dd0
- 03 L 2c3bc34d38e6a4ad13b92fbde756ec9aa3d82be0731316badd48140e7c21ddb9
- 04 R 28e790dbbd78395c05416f0fea38047eda3597decc3b7974dd808f41fcec2acb
- 05 R d4b92bbe89514187d21a02ecba0fe6dfddaf5d8f67099987af7bf58b95af8df5
- 06 L 09714637fe1cb01ef2760b3a891113b25099fed71ad9f6ee9a1739c100d7ee10
- 07 R b3352c225842c7b5fbcaad876d33e8e5f6326b106b8fa81c6d0472e1b768a478
- 08 R dc65af8de4c4838351cd364a3cfb6c15e842e76cf7547c095f771cfa6415ca09
- root e731c13e9b185f568e06f0a17622e83acf9d0281170b2cb1e031f313f8101e44