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 - SURIGAO DEL SUR 1S Award a ₱4.1M contract to ROLAND CONSTRUCTIONNational agencies
Transaction hash:
5f4c08e85a7da362eb24fdd5ef7b2af21c7f731d5431dcd4e0fea433d601ebbf
Status:
Included and unchanged
Block:
#2,015 3,998 blocks after it
Position in block:
Transaction 30 of 70
Award day:
Mar 5, 2014 (12 yrs 8 mo ago)
Value:
₱4,122,627.05
Project:
13NH 0046
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 #2,015 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 - SURIGAO DEL SUR 1S awarded it to ROLAND CONSTRUCTION on 2014-03-05.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 5f4c08e85a…01ebbfnow …
- 2. Block Merkle root changedstored 7f735ddf5f…9458f3now …
- 3. Block #2015 hash changedstored c4d5ed8379…4b233dnow …
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 69 records. Each step hashes the current value together with the sibling shown.
- leaf 5f4c08e85a7da362eb24fdd5ef7b2af21c7f731d5431dcd4e0fea433d601ebbf
- 01 R 68dc3be16f4283d4a19f8c5b7af7ae132a11c0471a7f0e6cbc2b852aa5891b16
- 02 L 76ced425046e1e2f1f6c20f17ab185d43790807671896907ec3ae73cbb73c7d0
- 03 L 26b3808f09159040ac0ac9f3278f6d63a52eaaeaa21a2e055583a5ec97be1632
- 04 L 4753369518b7de5a3fca7bac37a7135a1b4ed805f2edb56ecd08c67469bb9e03
- 05 L 8fd0e24014e6e2667f3757d2becc60c4a2f5f499e1626d0b77014f1a31ee01d3
- 06 R 6d9b228ec92621a711098bfae254e71ba41d7b08d3d6aba76436ed06ce967f3a
- 07 R 97e903537de74140bc62b4f6259b2e7f60a2f10182c97b395aa948877ea8e565
- root 7f735ddf5f506c6ed881fa1f5bda2aaf20d83f04d241a36895c89c61e39458f3