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 ANTIQUE Award a ₱9.8M contract to ROTAFLEX CONSTRUCTION & DEVELOPMENT CORP.Provinces
Transaction hash:
e80021ec5bc1403e30182a40ad815f6a3e6a3b22faf5c874721d78d5bddb7209
Status:
Included and unchanged
Block:
#5,899 114 blocks after it
Position in block:
Transaction 42 of 48
Award day:
Jul 4, 2025 (1 yr 4 mo ago)
From:
Value:
₱9,830,983.94
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 #5,899 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 ANTIQUE awarded it to ROTAFLEX CONSTRUCTION & DEVELOPMENT CORP. on 2025-07-04.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 Antique 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 e80021ec5b…db7209now …
- 2. Block Merkle root changedstored fb46bb5cba…2eeee2now …
- 3. Block #5899 hash changedstored a2bcbdceca…9e7153now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 47 records. Each step hashes the current value together with the sibling shown.
- leaf e80021ec5bc1403e30182a40ad815f6a3e6a3b22faf5c874721d78d5bddb7209
- 01 R e8a0fdbfea641d6823b99da52a1354dcdd5fae4579cf626011d609c3f3433e8c
- 02 L 0e4aa84e0605cc13690ca859abc9d35c73e708d9a26bdd648856b154c015589f
- 03 R 531bb6ace600354f8448642f55b63fb1a80f587e32fcb945567c1a3be9f6abe5
- 04 L 128d95bb106facb95e22c2572b155b4f61976ff4d8686974ec9ba7e14274a445
- 05 R 401045aefe972d00d0a1a862acc3d9d040e1dd88b6f01d6a85c316237743bfb1
- 06 L 03af11c784d17d59e7fc1de77545f9c1cb6703f3a09876984b30e1e3444397df
- root fb46bb5cbae7b2be9cbd64586ccdfbb98814953998a709f4a0ab3883992eeee2