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 3RD Award a ₱5.2M contract to IA FERRER CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
4d175d28dbcd50fd64cd479354d2626e2b81cb26b7698cfb75af852eca461321
Status:
Included and unchanged
Block:
#2,300 3,713 blocks after it
Position in block:
Transaction 44 of 152
Award day:
Jan 19, 2015 (11 yrs 9 mo ago)
Value:
₱5,247,335.13
Project:
Rehab of Damaged Paved National Road
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 #2,300 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 3RD awarded it to IA FERRER CONSTRUCTION & SUPPLY on 2015-01-19.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 4d175d28db…461321now …
- 2. Block Merkle root changedstored dbee5871f7…927bbdnow …
- 3. Block #2300 hash changedstored ec4408f9b7…c2c5a8now …
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 151 records. Each step hashes the current value together with the sibling shown.
- leaf 4d175d28dbcd50fd64cd479354d2626e2b81cb26b7698cfb75af852eca461321
- 01 R 4e62865f0b14ed42fd144991a20442e457d8221b0e50477740b65f79e22ebe0f
- 02 R 263fec98b47c9a8bba5143dda16e1d60285203b976c379e7fa532ce668c6993f
- 03 L 04e060621b122f66d3f0699a16675e13d0b7c16f22d5d2c5674acaa385170aaf
- 04 L a46c0d3e54101db84b4ef346656bc6f374f454af896d0970ba689955e57598b3
- 05 R 2f6a4b8c5975354c70f1cc8990e799acae762bbf36e27fbf04721845c9647d26
- 06 L ba37074fe720a2d5307bfdc1845435bbe6c9522afa8d237ee5049042b70a2610
- 07 R 27d47d7207bf16a1b1b93c471030a42ed98c95d290bf50246905ab21a138e9db
- 08 R d70683dd69147106812e26c5a385a6b35800b6fadc9be413c1cf4ed9c45de732
- root dbee5871f752c418778c95ca0c980a190d379b02284de160d720b65a7d927bbd