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
NATIONAL HISTORICAL COMMISSION OF THE PHILIPPINES Award a ₱17.4M contract to C.B. TAMPENGCO CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
06b233c3c680fa022e2ac68d457a16e6a543272b08acac5e6064980f368dfd10
Status:
Included and unchanged
Block:
#1,697 4,316 blocks after it
Position in block:
Transaction 9 of 242
Award day:
Mar 7, 2013 (13 yrs 8 mo ago)
Value:
₱17,429,941.06
Project:
Restoration Works
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 #1,697 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)NATIONAL HISTORICAL COMMISSION OF THE PHILIPPINES awarded it to C.B. TAMPENGCO CONSTRUCTION & SUPPLY on 2013-03-07.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 06b233c3c6…8dfd10now …
- 2. Block Merkle root changedstored cc2a4b6925…552c6enow …
- 3. Block #1697 hash changedstored 173f40636b…d651c4now …
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 241 records. Each step hashes the current value together with the sibling shown.
- leaf 06b233c3c680fa022e2ac68d457a16e6a543272b08acac5e6064980f368dfd10
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- 02 R f6d5b3b37182bcc6e7067674dd9d4396828588aeaffcfda723cc5f7ea0ff8249
- 03 R 7c41a3cb538f8f695002750fe028e3864563e86c3b1ddeafb48b40ed72fa1e12
- 04 L 882b03db5aff37263e5216b64429f8048e8d4f7ec5f94b50e220c0990c0e19a6
- 05 R dda4debc0130da27a22038d108699b549fb0531dc4f32abee31c42cda00401a6
- 06 R 3e5681d290ece10e5bd18a5ec50e0be49e9b891e79f97621ba60a3e9ae2a9c43
- 07 R 3c7c436d265de8d483ddc47b4ca2f3020b98099c79c911426079981f44156ea9
- 08 R aed2ad0b8182cc7e1273e08726684826a68b6691ee6a2c4f6abaef45ed6b6829
- root cc2a4b692515d132c1ef4470cd5041527f00981dee3c24d3f7e476f1e1552c6e