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
UNIVERSITY OF NORTHERN PHILIPPINES Award a ₱10.8M contract to REAL CAT CONSTRUCTIONNational agencies
Transaction hash:
1aa93be8fb59dfb0e780f97dc529ff67406b4be135034f6f71bb36427385fac8
Status:
Included and unchanged
Block:
#4,366 1,647 blocks after it
Position in block:
Transaction 26 of 286
Award day:
Feb 17, 2021 (5 yrs 8 mo ago)
Value:
₱10,777,253.58
Project:
INFRASTRUCTURE PROJECT
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 #4,366 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)UNIVERSITY OF NORTHERN PHILIPPINES awarded it to REAL CAT CONSTRUCTION on 2021-02-17.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 1aa93be8fb…85fac8now …
- 2. Block Merkle root changedstored 386854fbe5…d9e746now …
- 3. Block #4366 hash changedstored fdc5a306cb…3f69acnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 285 records. Each step hashes the current value together with the sibling shown.
- leaf 1aa93be8fb59dfb0e780f97dc529ff67406b4be135034f6f71bb36427385fac8
- 01 R 1b129652ca7a2a32ea22765cfcea3d12eed0db97f41725ff4fcf093b7986c971
- 02 L 288b4bfc415bd01bdd9d56be15f159db1d6e55059ddfb02f929bb552f2913fb6
- 03 R 76c991762008175aac8ee1ddd53dfc0a5d35f965b7916c9b9f8429c077a1e79e
- 04 L 0b236f18a73bfc508654c6a1eed25884ed29f45277fdc5d83d4ca7928d67a963
- 05 L 9405680a5dab819de436e31b9f9cc4408d1df0a3d8f1a0d31e3d1b799f213ec3
- 06 R 30a7c632fc23d17a083a640172a84b66aaadd3692a47be9a1dc932291d01d766
- 07 R 13e4e7ca4628fffc7865373d2908c3a9ac332079f11b85c639e2bec6c0ebcd8b
- 08 R 0a2cd6e04639f45d55c38c9caddcc1ab052d9a67eec7dc24de75e2cf1c1bb430
- 09 R 3e01eb3f01783252a2eef543c4a9bd2bd2246756e9a503821119bc5c302f446d
- root 386854fbe5a2b48274c78fecfeac66639a0ccb412990fb9250f9438d90d9e746