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
CITY GOVERNMENT OF BALANGA, BATAAN Award a ₱1.9M contract to E.R. VENZON CONSTRUCTION / POLYMERVIC CONSTRUCTION JOINT VENTURECities
Transaction hash:
8f43b2ce71963bd82c8ea0cfec99a32cb84190d4e7c024db2d6907589455b109
Status:
Included and unchanged
Block:
#3,273 2,740 blocks after it
Position in block:
Transaction 199 of 380
Award day:
Dec 13, 2017 (8 yrs 11 mo ago)
Value:
₱1,907,500.00
Project:
Civil Works
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 #3,273 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)CITY GOVERNMENT OF BALANGA, BATAAN awarded it to E.R. VENZON CONSTRUCTION / POLYMERVIC CONSTRUCTION JOINT VENTURE on 2017-12-13.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 City of Balanga 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 8f43b2ce71…55b109now …
- 2. Block Merkle root changedstored 6bd1f83d98…b006fanow …
- 3. Block #3273 hash changedstored bd4a351e0e…4e4423now …
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 379 records. Each step hashes the current value together with the sibling shown.
- leaf 8f43b2ce71963bd82c8ea0cfec99a32cb84190d4e7c024db2d6907589455b109
- 01 L 8e0cadc14bfd99d1c29fe3e3dd94649930607fec9f9cb2a2babb95df1a89791a
- 02 L e155861d1fa23fbed7fe9a4a8bcd9b67bd2f72645892993454dc0034e8328fbb
- 03 L 5d9945c56f738d4cb5cc4585304e18a049ebd0f6a0b68cd5a2557d9cdf25db6e
- 04 R 7cb58aceb8ea0480014f91ed37827a4cc8e30e52ef5f3e940df0b2fdd3d22954
- 05 R 23673a709afa6e8bdf338a2765f52e7375a2a276fa31c2d4cadb698444bef6eb
- 06 R 6b0a49adf73e41350674c25573c65a922156f844768503b0b9e657fb77a28235
- 07 L 8bba08192320da61846c6744ea8a9104b5e765b6f4a2f4eb26a1277c0e20c973
- 08 L 25c846edc11eb09aac6609d38f27dad0aeb4d80b8064e10ecb53bf52ee3b09c1
- 09 R 5353a0d77d6ce6487c4570e9d117d5fb093a5a83a925b0eee9d78d371080dd2a
- root 6bd1f83d986853f4a137010f49b4ed7366ad8e83e16255a2dc2ce118ddb006fa