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 BATAAN Award a ₱994.0K contract to POLYMER-VIC CONSTRUCTIONProvinces
Transaction hash:
7568e5b7226dbffeff0d23eb5407675b41e0c8fd3d0371aba90d05162c943226
Status:
Included and unchanged
Block:
#3,019 2,994 blocks after it
Position in block:
Transaction 93 of 231
Award day:
Mar 17, 2017 (9 yrs 7 mo ago)
From:
Value:
₱993,961.04
Project:
Concreting
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 #3,019 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 BATAAN awarded it to POLYMER-VIC CONSTRUCTION on 2017-03-17.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 Bataan 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 7568e5b722…943226now …
- 2. Block Merkle root changedstored 03f9e4f547…f75831now …
- 3. Block #3019 hash changedstored 02f615670a…943321now …
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 230 records. Each step hashes the current value together with the sibling shown.
- leaf 7568e5b7226dbffeff0d23eb5407675b41e0c8fd3d0371aba90d05162c943226
- 01 L 750743157f8c5981825043f74a0a15b8921822bdc65498a70cc05d64f4e43744
- 02 R 1e6dbbd47463829b2426477df67c1917bbbc042a5231ff8fa67ba7c4155e350c
- 03 L ea2e8e3a6118dd5310ab1b407a6b674ed7afa63b41938fd86dc846d7d4cf4877
- 04 L 0be939657b16c82b54b735321199cec232e69ee6bef51336fe80839586479f04
- 05 L d22fdfd49ca72cb17656c9d481f1b94ada723469b780390c15549391dd3c1481
- 06 R fb6e67542ae66fe01ddc2f6738f367f59589b7277ce651dbe2a284dd9ea207ef
- 07 L 17228ea9606a1dc725380e2ba6c1394b188a4632320b09e746402d130d170bb5
- 08 R 132ae10ff8ad2df5e8de5fc673530115bd3397d466d51b199490511a084191c0
- root 03f9e4f5471bf4a009a0ecb7dd30afd1152ed35f796d5576a1339146c9f75831