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 ₱993.8K contract to POLYMER-VIC CONSTRUCTIONProvinces
Transaction hash:
9d4a0fcf583500cdcc93ddd5c12a2a51c3ff8d3c70e44ba7273ce2f2c1328842
Status:
Included and unchanged
Block:
#3,407 2,606 blocks after it
Position in block:
Transaction 124 of 204
Award day:
May 2, 2018 (8 yrs 6 mo ago)
From:
Value:
₱993,812.28
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 #3,407 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 2018-05-02.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 9d4a0fcf58…328842now …
- 2. Block Merkle root changedstored c8f82da269…57212bnow …
- 3. Block #3407 hash changedstored f74577ca10…651256now …
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 203 records. Each step hashes the current value together with the sibling shown.
- leaf 9d4a0fcf583500cdcc93ddd5c12a2a51c3ff8d3c70e44ba7273ce2f2c1328842
- 01 R 9e741f082810d160f1695ae44e19835ee2dcf31cfff1ad265d70de9d79029473
- 02 R 71a441ffc06cc43f5e89e2e0c24379d3a5b8811b05411500cd5367a988416a8f
- 03 L f7df8c6367689146c14f99dfd796e6ac10b4c9012e50a620acb0b34f6cbf6815
- 04 L 36b71fd42b8e5fb60b489f196f63bb7128f10a976ffffd9bda36b0107142a190
- 05 L 751e254145c3808d75eeddfbb119fa6a387dd0310d7947dc086c132abc08505c
- 06 L f7e5db4b04f3071bef7f6a4b23c3f528f4f2ebe4e85defe49182f65297caf583
- 07 L e50a422446f6d7095720c0d532fa153536f8de959f1f095ccde96bfa336673a2
- 08 R fae1c3375261dad1132222fbf26ce8a630af4d0d8508ace6124729aebec63164
- root c8f82da2696ceb36f38a05f5f805a7be12bdebf45c348fa9edd73806f557212b