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
PROVINCE OF DAVAO OCCIDENTAL Award a ₱4.5M contract to JJHAK CONSTRUCTIONProvinces
Transaction hash:
ff0b309bbdf1cacc08ca183d6f1d2d88c5696b1e0dff15766455a4bb78992a00
Status:
Included and unchanged
Block:
#3,512 2,501 blocks after it
Position in block:
Transaction 218 of 220
Award day:
Aug 22, 2018 (8 yrs 2 mo ago)
Value:
₱4,470,498.26
Project:
Construction Projects
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 #3,512 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)PROVINCE OF DAVAO OCCIDENTAL awarded it to JJHAK CONSTRUCTION on 2018-08-22.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)COA's CY2024 audit of Davao Occidental gave a "unmodified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 ff0b309bbd…992a00now …
- 2. Block Merkle root changedstored c998438631…d4c71bnow …
- 3. Block #3512 hash changedstored fab538e1f0…c0c822now …
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 219 records. Each step hashes the current value together with the sibling shown.
- leaf ff0b309bbdf1cacc08ca183d6f1d2d88c5696b1e0dff15766455a4bb78992a00
- 01 R ffa1071536f9f9229141bfb90ef8ef18075bd30dabd2f4dadae01360b5654947
- 02 L 77fbb21609cb24961363050d83c18097d5add5864947e756ac6f17b49b22e1cf
- 03 R 93a1495de62388b997545b2fd6d0eb1456c7f3bf4f38982c9206611383ec4a98
- 04 L e85f837e51ca288e2ea3e97f600aa8c2b2eea6c9a4f184310f7434b491ab3d75
- 05 L e73cb62bb77d4ab883c61ca7d633189167496518294608e3c868d0b30b01af84
- 06 R 108ef7151b252c3674771622b40fa014a5ab80ddd4371a33a179115ccee286b2
- 07 L 29dfb0655acd0c4b0caf61dc83cd9868782ced91cb3feb69494a90012a63221e
- 08 L ab83a992fadb3aa212130bcc653f3d0d32427d0561e27a5c817f6fa9bb3cb327
- root c9984386315c60f9db1e3334d9dd38c3248726e9e4217d9efea088da7ed4c71b