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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BATANGAS 1ST ED Award a ₱1.3M contract to SANDSTORM CONSTRUCTIONNational agencies
Transaction hash:
c09fbc77f4214ebd02a6334f9157b01627c83a5db642a080f753a908ff4e481f
Status:
Included and unchanged
Block:
#1,915 4,098 blocks after it
Position in block:
Transaction 84 of 108
Award day:
Nov 12, 2013 (13 yrs ago)
Value:
₱1,343,282.72
Project:
Water Sanitation
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 #1,915 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BATANGAS 1ST ED awarded it to SANDSTORM CONSTRUCTION on 2013-11-12.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 c09fbc77f4…4e481fnow …
- 2. Block Merkle root changedstored a63850eb7a…cce664now …
- 3. Block #1915 hash changedstored 1dbe844552…12deaenow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 107 records. Each step hashes the current value together with the sibling shown.
- leaf c09fbc77f4214ebd02a6334f9157b01627c83a5db642a080f753a908ff4e481f
- 01 R c295f574f4c346c0de518767c35cd9876d46914a1685dc3dfbaf2f3573e4fbde
- 02 R 018fdbc7b19b51cc7bb79bf15aca063af4924d9eec0605d5daa1f289fbb872da
- 03 L 453fd4d5e4759a1d7278b2b9270ef87b4a2c8bf2fec1714c3961ea98669472c1
- 04 R 16d777d152cc0789614f67c3f851095b32bfed97f3560e3670fa59caca3e9cbf
- 05 L 3e5831baaa48056400f13629ecc07b7e74cdd65ef8724dcfb154ff901888140a
- 06 R 146a5614af7daf5364609f1cf72e574c05f0c5973c3a804b47b7a7cbafe8155a
- 07 L 3ada5f50d628dd6350273d904935bd9ebfa3a69dfa3d4066d3dfb7e97a1693c3
- root a63850eb7afe2f55a805c9307cc796715300cedead984f870be1e9f949cce664