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 BILIRAN Award a ₱1.0M contract to MB ANG CONSTRUCTION AND SUPPLYProvinces
Transaction hash:
1aba53bcf5a31efae86d88df22c4e5bd8a30cc7bc04397a09de74872d2d09f9b
Status:
Included and unchanged
Block:
#3,660 2,353 blocks after it
Position in block:
Transaction 18 of 185
Award day:
Jan 25, 2019 (7 yrs 9 mo ago)
From:
Value:
₱1,000,000.00
Project:
Concreting of Multi-Purpose Pavement
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 #3,660 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 BILIRAN awarded it to MB ANG CONSTRUCTION AND SUPPLY on 2019-01-25.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 Biliran gave a "qualified" 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 1aba53bcf5…d09f9bnow …
- 2. Block Merkle root changedstored 21b9951af0…e9e752now …
- 3. Block #3660 hash changedstored 0cfae92d4e…d358f0now …
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 184 records. Each step hashes the current value together with the sibling shown.
- leaf 1aba53bcf5a31efae86d88df22c4e5bd8a30cc7bc04397a09de74872d2d09f9b
- 01 R 1be1239e7c75b1089d1f70c78eedd7bfa9ccfd9b402d3990f8a57334807b2047
- 02 L de2b82219fcbc2bdbaa29ea0e00a139c45e64f4a32eb9d8c4af326fa9cfc8c7e
- 03 R 8239a68fdb09bf9a46381976443832febef86dc4f83ceca17985afddcbb8c4a0
- 04 R e1a874ccb9cc18dda13e359786de4a6ed23f4cb6525dca200993dd57dab433f5
- 05 L 4f8a3de00968671b09c3a9b424b3be7b2d260572e73b3bcd2a570f9e7c40285c
- 06 R 89f7ca737cf499aa98b1b631e032a97ec87acf6ce9f7ec8aab5ea1edfae587a1
- 07 R bbcb2de8547b04753068174b172bc569dec4f07811a0c4ca46a230a0b703115b
- 08 R e7ad1af58282bff4ee4906407ee1ee1d0d284f5063c38cddbc49d49eb752fbbf
- root 21b9951af0c6af5e57ea321b52450c07b09b41d3f759c43c97cdca4b18e9e752