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 - ILOILO 2ND DISTRIC Award a ₱13.6M contract to VANNIE CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
83297cdd4084221ff83ff4e62002d5143e5ca2574508d35543b0b191d0e29043
Status:
Included and unchanged
Block:
#3,518 2,495 blocks after it
Position in block:
Transaction 108 of 222
Award day:
Aug 29, 2018 (8 yrs 2 mo ago)
Value:
₱13,559,000.00
Project:
18GG0182
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 #3,518 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 - ILOILO 2ND DISTRIC awarded it to VANNIE CONSTRUCTION AND SUPPLY on 2018-08-29.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 83297cdd40…e29043now …
- 2. Block Merkle root changedstored 728abe3bac…e6e1a2now …
- 3. Block #3518 hash changedstored dccbbdb1f5…103f0bnow …
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 221 records. Each step hashes the current value together with the sibling shown.
- leaf 83297cdd4084221ff83ff4e62002d5143e5ca2574508d35543b0b191d0e29043
- 01 R 846f7b39aa3bcd1efeba9c2b1b2bcac3ed3eb4ad86219182fe29de1b7b0ea144
- 02 R f1a3c9b5e43b56344e8f9992ed994f72dc223d6920c033a25adaef690daf543a
- 03 L 61e76286c0a4e1e2f60a327954fd133adafcfe5602d806e8e8c7f1646bf3c62f
- 04 L 4b524b83eb573999c85386afef6f9b7a1909e951b75a5cd2250a18ecb1d734cc
- 05 R 75393f418d2d24ff482f60b18fc1941c440f978adb2ad280075a0e5575da6477
- 06 L 29301fe78b57832cf53555db52b6c48d7e93d02b2595419f7b84e6dd3324dea8
- 07 L 13d1f7d4a18aecbee2ff3dcd7a7e85b0f0266bd30aa30afb009b210edbadb1db
- 08 R 22a4823fff0d211477c6aad665c77891a972fcd6862e2b2156406442604cfbd7
- root 728abe3bacf0fc9562698e891f71ebbede8193e160152a69fecd0a587ee6e1a2