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 ₱984.5K contract to MJ BARCELONA CONSTRUCTION & SUPPLYProvinces
Transaction hash:
816af481dc3e4fc02e8516e718d1327ddd391c1e29723b27886cc862588ff67d
Status:
Included and unchanged
Block:
#3,495 2,518 blocks after it
Position in block:
Transaction 94 of 183
Award day:
Aug 3, 2018 (8 yrs 3 mo ago)
From:
Value:
₱984,509.80
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 #3,495 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 MJ BARCELONA CONSTRUCTION & SUPPLY on 2018-08-03.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 816af481dc…8ff67dnow …
- 2. Block Merkle root changedstored b9ff8e5a7b…3c9657now …
- 3. Block #3495 hash changedstored 3c5235530d…c7a6f3now …
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 182 records. Each step hashes the current value together with the sibling shown.
- leaf 816af481dc3e4fc02e8516e718d1327ddd391c1e29723b27886cc862588ff67d
- 01 R 81afaccab97105d0dc1185c28d4013b1f54752773f0854dddf37255f89d1a6eb
- 02 L 433dbf40297dae5da9793b3606133fd48557816869c4531690858963cbaf7ccb
- 03 L 7194342fd5fdd47df87c1ee5263898e3cc2adc69b920b0a7ae83ea0b0e0b770c
- 04 L f39ff78cb1910c1d2987f308c7fe71f66e661a94a7defefac84988917679bf21
- 05 L 603c74635a3913dbfea7453d3b3b7b597baba144f1a5a46c43fef90d7fc3ceea
- 06 R ae802b9a31f17d2f889dc7860d3c2b35907550a17b4d22687bb86bd66664766c
- 07 L 64dcdbb66e2b16896533230638ffa728ed42f303f7ceea09150645709364d7f2
- 08 R fb595237adc6d21db67eb313337f46e9d6d9f09787436831f7a87790b567252b
- root b9ff8e5a7ba4270227e082051de2520b0ba4d4fc480d973cd63c449f073c9657