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 & HIGHWAYS - CAVITE DEO Award a ₱940.8K contract to AMKO CONSTRUCTION & TRADINGNational agencies
Transaction hash:
cffc5d5dc4aa62f48ad5ca1029ef3490714deb75532273552fc0dd5304024d70
Status:
Included and unchanged
Block:
#1,149 4,864 blocks after it
Position in block:
Transaction 44 of 65
Award day:
May 23, 2011 (15 yrs 5 mo ago)
Value:
₱940,785.30
Project:
11DF0028
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 #1,149 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 & HIGHWAYS - CAVITE DEO awarded it to AMKO CONSTRUCTION & TRADING on 2011-05-23.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 cffc5d5dc4…024d70now …
- 2. Block Merkle root changedstored 6af6f30a33…4c3957now …
- 3. Block #1149 hash changedstored 7c19d77c18…837937now …
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 64 records. Each step hashes the current value together with the sibling shown.
- leaf cffc5d5dc4aa62f48ad5ca1029ef3490714deb75532273552fc0dd5304024d70
- 01 R d20ee0ac7144ec444a3a2ac906c838120ffde2fd099e901ae946793d7d5d698a
- 02 R 94842f4caf4f9f85b12a205d06f2d133f01558959210bb65a6629b0a379783be
- 03 L d08cf17c7bef5ba5db18d62c075e90bc7ed54e88b23db8c15d8bd491fa4ec721
- 04 L 9cc33adf7eafdf5fc26ae52de7fc606103a37999829dd412549b3c4af82cc376
- 05 R a3209cd23573d0958dfb7aa2285569f8c3ad7bc8c5e05cc7be225a2bcff964fd
- 06 L d6c1c8be2e4eae3464f5f8138b5f4643490de8c964489f2a35fb80f5f9faafc5
- 07 R b926ff9a7edf9b24feadcba39f57f880dabec68da51d52e8f94e5a857eead039
- root 6af6f30a33ce2e32776e9e28a1bfb859522b61a38e2044d4bcb779ff034c3957