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 IV-B Award a ₱3.1M contract to ALPHA VECTOR CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
efdf33e8c757bf0b752cc1a40f80022fa7cd0af0fc309639dcc48855220dc1e0
Status:
Included and unchanged
Block:
#5,197 816 blocks after it
Position in block:
Transaction 411 of 432
Award day:
Jun 27, 2023 (3 yrs 4 mo ago)
Value:
₱3,105,132.98
Project:
23E00212
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 #5,197 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 IV-B awarded it to ALPHA VECTOR CONSTRUCTION AND SUPPLY on 2023-06-27.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 efdf33e8c7…0dc1e0now …
- 2. Block Merkle root changedstored 2466c5a45a…947fb8now …
- 3. Block #5197 hash changedstored 8ae3a1e3db…3f6dd7now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 431 records. Each step hashes the current value together with the sibling shown.
- leaf efdf33e8c757bf0b752cc1a40f80022fa7cd0af0fc309639dcc48855220dc1e0
- 01 L ef8b6137d79cccb7a053d7c02e3b9194759cf39283671af8c04df64a7ace8312
- 02 L f2b984f0055770628e8f51e80e149bb27e2e2af1ce5e7d1fc52612a19821a99b
- 03 R fb82a957ac1d3e29020a5d820e1c6d0412dd2122ae13356ab685955f5efe5b88
- 04 L 4937d0cb5bb86f8a0a8f9a85878209997a3e23dd8884d4a85863cbd425c2cd10
- 05 L c112a20b4a6bcc3f164b80e920ac9cb7ada8ddb0504ca3bd3b14d1c70241eadb
- 06 R 2a4761316933e5be118d5283337253d4d7beb94a83f5aaadd8a7d80fa9727d22
- 07 R 81c48e38289d5a888dcdb0b7164ef31592a35034693ca513bf111fdc2e007a32
- 08 L 2592f13036415d4370e90ed1c651a2ae970e1ebb2ef404f1796bdd3fa6162ad0
- 09 L 2f09782f0cf2416fca7b00e041b6a4693fe00671cc131382c35d7b3a0c254d8e
- root 2466c5a45a9f195abc2b55bf2a38da2a6d723319c9c7ba377a530bbcb9947fb8