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 - METRO MANILA 1ST E Award a ₱2.9M contract to B. VALENCERINA TRADING AND CONSTRUCTIONNational agencies
Transaction hash:
704dbed90a9a17ec7e19bef2f87ef53d55936c8ad03b8ba120cb4b86bcc3aaee
Status:
Included and unchanged
Block:
#4,604 1,409 blocks after it
Position in block:
Transaction 92 of 206
Award day:
Oct 20, 2021 (5 yrs ago)
Value:
₱2,906,347.97
Project:
Contract ID No. 21OB0303-Name of Contract Repa
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 #4,604 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 - METRO MANILA 1ST E awarded it to B. VALENCERINA TRADING AND CONSTRUCTION on 2021-10-20.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 704dbed90a…c3aaeenow …
- 2. Block Merkle root changedstored d8c35e149e…efff89now …
- 3. Block #4604 hash changedstored c77bcbbf8b…4cf7c6now …
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 205 records. Each step hashes the current value together with the sibling shown.
- leaf 704dbed90a9a17ec7e19bef2f87ef53d55936c8ad03b8ba120cb4b86bcc3aaee
- 01 R 71d956a8c3867a5c7182cebd9e690042fc9299daae7139c564cf6cdfeba784e0
- 02 R 18afcecb4db857a48181e8968b163fcd4c3179d03257d102d2a2d26b37d4f830
- 03 L 268765a51a9d16ddc131b9609e0600b319854a036fd21342e4ca5d5bea797e37
- 04 L ef0678958ab176e9a7ea58a342af948daf167b8ba33db2fd2e95a661f054d4ee
- 05 L c10fe0d6cf2e29a6a6dc69197911cdf6f7bf47f908e60eb791a8c98c057f203d
- 06 R 286fbaf157f66fd11a88ed7638713005a120509a956f3db85c0fbfb81f3deebd
- 07 L bd7cbda6c8314de2475080b2921140388c6d26380b89a2255199022b039d31ed
- 08 R 6c3272089fcf40ebca26780fb87599ffbfa9919e906762c69c79718a76eba255
- root d8c35e149e029159590f13f3d6196c91549b6588807f1a3348fcbadde8efff89