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 - REGION II Award a ₱122.1M contract to A. DE GUIA CONSTRUCTIONNational agencies
Transaction hash:
adaefe029b7221dc079db15eae730351c4a054b74e97b6e7a8cdc19971717022
Status:
Included and unchanged
Block:
#3,763 2,250 blocks after it
Position in block:
Transaction 581 of 831
Award day:
May 15, 2019 (7 yrs 6 mo ago)
Value:
₱122,062,007.04
Project:
19B00011
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 #3,763 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 - REGION II awarded it to A. DE GUIA CONSTRUCTION on 2019-05-15.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 adaefe029b…717022now …
- 2. Block Merkle root changedstored 1966c664c3…66a6ffnow …
- 3. Block #3763 hash changedstored 7af5ae1677…b4e95anow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 830 records. Each step hashes the current value together with the sibling shown.
- leaf adaefe029b7221dc079db15eae730351c4a054b74e97b6e7a8cdc19971717022
- 01 L ad84070685caf7f85c1827277ec90e5f1655be6a5185239e6e314c2336b1c709
- 02 R c398a3fcf5980e888cd994ae1e9ed3cc52db0c21c4da0fe439c85a7d3c31d518
- 03 L 6112be2ffdbd9529ea41faf590356bb0511c855cd0d569fedc2ecff3e1bc1cbb
- 04 R c4b9993dec25ad6f413dbbc6477836ba3d5916be5d595e1dba1ded759b593991
- 05 R 30fe7681559cb410de049a0da89854dae849c94cc103aa0408154baec0c0217d
- 06 R c25f8351e327ec01c9e7a99cb59cb04101fdabf08cd690d30caa8f35989f7ae8
- 07 L 5c3e3970a4f0db1ef677fec8231aae3f547e6e01a75406a4c1d46b7fef104475
- 08 R 2979b19bc793a16e1d881d0562ed9a226dd9553ab1aeeb609ab2cece8c8556b7
- 09 R bb41905902d7c11b2eb665be3151af4073e9c6da50eb3291e1ece525e5359582
- 10 L a89d86a2d98f2aa4dc316303e7963456e10432e6e6fe453b4ba3d4d069f5d460
- root 1966c664c37e4445673ff88fe5f27d06f85262c371055d9cb6e93da0bc66a6ff