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 - CAMARINES SUR 4TH Award a ₱1.9M contract to IA FERRER CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
c0d4e7a9b16c95877f4e001c28d695e01da081c90c94aa4d0725970be01cec6b
Status:
Included and unchanged
Block:
#4,891 1,122 blocks after it
Position in block:
Transaction 106 of 143
Award day:
Aug 18, 2022 (4 yrs 2 mo ago)
Value:
₱1,919,755.34
Project:
22FG0086 - Repair and Maintenance of Panagan River
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 #4,891 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 - CAMARINES SUR 4TH awarded it to IA FERRER CONSTRUCTION & SUPPLY on 2022-08-18.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 c0d4e7a9b1…1cec6bnow …
- 2. Block Merkle root changedstored 8a6e641993…dee677now …
- 3. Block #4891 hash changedstored 65f3339f61…c73df3now …
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 142 records. Each step hashes the current value together with the sibling shown.
- leaf c0d4e7a9b16c95877f4e001c28d695e01da081c90c94aa4d0725970be01cec6b
- 01 R c0e8d70e0b7b6d7a3223c2ccc477ecddc3be99a459a20482d1ff7c19cb87742d
- 02 L cfa9242fa4560ad7bafa36ea1baa2ac8a1e6fd97cd38ecb2ad255fd96beac413
- 03 R 48fc849aad72b05acef0bb876011fbf116e66edf87c561c882fd47a57279007e
- 04 L 936e71d363e3980ceef97e6bd2d1b07dfd614c104b8baae0046085093d10750e
- 05 R 8be77ed940368a597c8c1ec259fc93f4dfe59fe855ab2f9757329851614ee9e9
- 06 L ba1c017928a2dd6ec5eb75075051cbf30f8f9be0bc171a567c6acf50f362baee
- 07 L 8da8a142324b97bd5759fdb86168db3315b5aa054e3ff48351d579e2975f9d78
- 08 R 4e3fcea32061177ac31b828b1a6a5eca12a4e7a02457f0cbf6eecb97afbbb67e
- root 8a6e641993d2bfa8d25cef3634a59871a872bc09e7e3574a9f54984cdfdee677