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 - TACLOBAN CITY SDEO Award a ₱496.9K contract to VENUS ENGINEERING AND CONSTRUCTIONNational agencies
Transaction hash:
297eeebe84d15dffe899c7d7e1ea3dab950b77d3bb1b31f10e93744e49cdc4a8
Status:
Included and unchanged
Block:
#1,492 4,521 blocks after it
Position in block:
Transaction 21 of 102
Award day:
Jun 28, 2012 (14 yrs 4 mo ago)
Value:
₱496,935.04
Project:
MAINTENANCE/REPAIR DOLE-NLRC, TACLOBAN CITY
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 #1,492 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 - TACLOBAN CITY SDEO awarded it to VENUS ENGINEERING AND CONSTRUCTION on 2012-06-28.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 297eeebe84…cdc4a8now …
- 2. Block Merkle root changedstored 42f977a401…7af712now …
- 3. Block #1492 hash changedstored 7521aacd5a…865cdenow …
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 101 records. Each step hashes the current value together with the sibling shown.
- leaf 297eeebe84d15dffe899c7d7e1ea3dab950b77d3bb1b31f10e93744e49cdc4a8
- 01 L 29769a5e4448c1a0be89a714553f8beefc0aff4cfdf0494ecc2ba211b16df64d
- 02 R 5a266a8d8f647e42fc2a68abe1c792b55666860b50ecc3b616b75dca108b2c9f
- 03 L e8c41f427434c24135ca79452a2f93d1da20b503fc7eac37c3297cb2ff537653
- 04 R 5d90e8753e93089a66af0afb030ad9f2ffc18f00c7fc47e0430e6045d7a7ef39
- 05 L 28fcb82754264655b5820f67f4fe4ffaafcfe620a006daa4c681a2f04405e099
- 06 R 1fac2e2058e605bc9a8dc361fd6f284088ff1fb98b9ef02e83ab23ac41e22fb7
- 07 R 956e99bf1560da2ddb92a37be1bf5f64df0283a6348470615382801444f7a531
- root 42f977a4018dfa82d993e3627fc12da7166421ee814cdd873cf4912ce67af712