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
TARLAC COLLEGE OF AGRICULTURE Award a ₱41.2M contract to F.A. ASPRER CONSTRUCTIONNational agencies
Transaction hash:
18d41a44d70e2ff216fe73fade5a1444878dea9eb1ed07973b4ed72afcef38ff
Status:
Included and unchanged
Block:
#4,011 2,002 blocks after it
Position in block:
Transaction 109 of 1,159
Award day:
Jan 31, 2020 (6 yrs 9 mo ago)
Value:
₱41,192,456.72
Project:
2020-003 INFRA
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 #4,011 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)TARLAC COLLEGE OF AGRICULTURE awarded it to F.A. ASPRER CONSTRUCTION on 2020-01-31.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 18d41a44d7…ef38ffnow …
- 2. Block Merkle root changedstored a8a930c29f…1d7e7dnow …
- 3. Block #4011 hash changedstored f7d009ab86…966135now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (11 steps)
How this one record is tied to the block's Merkle root, without needing the other 1,158 records. Each step hashes the current value together with the sibling shown.
- leaf 18d41a44d70e2ff216fe73fade5a1444878dea9eb1ed07973b4ed72afcef38ff
- 01 L 18cec1a8b15fab9f9f1b3e73c770b0399d172c6c9c341933e39d450c3c832f4f
- 02 R ba8f1187d2fcf3feb2021f575ddd4cfce1268c8bb896c9f528ebc21456f87540
- 03 L ec0095a52e51ba1463d4855082ae22784659c2c5e63fed2a22e65a5f5f72e13e
- 04 L a12a6b61fb6ba047c17c342c4657e3eb65050164849b0dbf89a144826596d9ad
- 05 R 0bc9ee5eb5ea6e2cfa4262939e208192e877e41447a082605a927196261ee1d3
- 06 L 9fef478ba83cdd7853b0872f316bb10080efc53d8579bdfecd2870c1db478818
- 07 L 2a8bd42a27797f6c237dcdc80994eeac8cdbf3c6494198cd90f9abce6c86fbf4
- 08 R 3cefb367f59bad44a4e7f0a4afe0ab672a68830af8200cf92425422d98f69612
- 09 R 0ced2739e23584dc8ef2a989e3218308a6bcd77109bd07b77bfe89cd2876b614
- 10 R 18434517491452d30f86ebabb74eda2c092a01048e28c5d041fff5405e35dd2c
- 11 R 978efed595e8c57c040286c8b3a0cb5c9b830c59062b6c9b48d585351e1f8d63
- root a8a930c29f698deb4b8d8270b9b23ca335ad0993d94194e02acf8f97481d7e7d