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:
8948e6fc451d552572fd689a0898b04cd2708f54e6e65c94e4d6ceaec6a94d4a
Status:
Included and unchanged
Block:
#3,157 2,856 blocks after it
Position in block:
Transaction 105 of 188
Award day:
Aug 8, 2017 (9 yrs 3 mo ago)
Value:
₱1,905,600.00
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 #3,157 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 2017-08-08.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 8948e6fc45…a94d4anow …
- 2. Block Merkle root changedstored 26d08505c6…060908now …
- 3. Block #3157 hash changedstored 7d31c2e704…c54e36now …
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 187 records. Each step hashes the current value together with the sibling shown.
- leaf 8948e6fc451d552572fd689a0898b04cd2708f54e6e65c94e4d6ceaec6a94d4a
- 01 L 876612efa2f06966c92bf2d2dec31fb11f8d9cfda1689e9166cd9d2ccde09d1e
- 02 R 5890240adf8ac521fb8577c059989bfd41c02e1dfc6bc547efc6a35ebbc27b6d
- 03 R 3bc2f599b757fc13974f80d2fd3fdf87747da4cff6276fbd3133707c44d75edd
- 04 L 6ca17577bb82da3d9e98da88afc586923064f283941218c4e039aa08647d38ca
- 05 R 5179806969f6e471ff1cbca60fff3e3625360b22e216f3ffc22716f1c41bff7d
- 06 L 2ee79d367333348d24568421598de1cfaa484f46221d49fb9c207368e86df236
- 07 L 7ff0098c7ce9abf500160e0f2f84c26c28711f124d0674885a892cef12d8e854
- 08 R d2d98e31d8e16b9f00abe3f9a0de191597482dc61368520f107b8b64e4280341
- root 26d08505c64c563855d45eb42c4f449a0deb487bbdf8e5c8a2edfeb1f9060908