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
DAVAO DEL NORTE STATE COLLEGE Award a ₱25.5M contract to R. SEMILLA CONSTRUCTION AND MARKETING - DAVAO CITYNational agencies
Transaction hash:
8be62514f0cd334f0144a643a25b1877719a2f3a8b021bc63967a1555d2c79bc
Status:
Included and unchanged
Block:
#2,741 3,272 blocks after it
Position in block:
Transaction 70 of 139
Award day:
May 18, 2016 (10 yrs 5 mo ago)
Value:
₱25,485,138.79
Project:
Construction of DNSC MPEC Phase II
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 #2,741 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)DAVAO DEL NORTE STATE COLLEGE awarded it to R. SEMILLA CONSTRUCTION AND MARKETING - DAVAO CITY on 2016-05-18.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 8be62514f0…2c79bcnow …
- 2. Block Merkle root changedstored 9d0dc3300b…64e976now …
- 3. Block #2741 hash changedstored 4c6458647a…2639f9now …
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 138 records. Each step hashes the current value together with the sibling shown.
- leaf 8be62514f0cd334f0144a643a25b1877719a2f3a8b021bc63967a1555d2c79bc
- 01 R 8ed491b34faf498482b0eafc83f80018131a73e573f0282115bf6232af557468
- 02 L 498f1d3df974b8f9f9aebfbd585c0af29d586dcc00297babd1baa94696ade3be
- 03 L d81b72526dd8b9a8711a13a3d3af3aa4f955a1eecbdd9284b4a36f8a73e22890
- 04 R 4b0c9db3305f3ee1a9bc2fd4eadb7fd648a705251307d51a422a277f95648021
- 05 R 69e3cf767884de7dc4ef1059e1bd07ebb34b786888579db2206698b73a6d178b
- 06 R 3bf19af61c4587f428e334ecbd6c385c9c0d0452f423385d42deb371af6d69b7
- 07 L 5a9d8e69866a01063e9ab1d6844b748e028c1c684f44b0004869a74e5004a5c5
- 08 R f87df142a6939f90bb91db364b3092e48950b451147bfd18f3acd7ef717863b2
- root 9d0dc3300ba7fd680908d963f0163a68276c0887a0641c39743ca4756c64e976