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 BATANGAS Award a ₱5.3M contract to Z. ANTIOQUIA CONSTRUCTIONProvinces
Transaction hash:
7cc8aedde8a845035d693698e4db8ae3b5fd9d43882019c309026875e82c1103
Status:
Included and unchanged
Block:
#4,364 1,649 blocks after it
Position in block:
Transaction 145 of 316
Award day:
Feb 15, 2021 (5 yrs 8 mo ago)
From:
Value:
₱5,288,061.09
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 #4,364 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 BATANGAS awarded it to Z. ANTIOQUIA CONSTRUCTION on 2021-02-15.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 Batangas gave a "not stated" 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 7cc8aedde8…2c1103now …
- 2. Block Merkle root changedstored 3b493f5f7e…5f7feanow …
- 3. Block #4364 hash changedstored 0d3127cae0…cf28f0now …
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 315 records. Each step hashes the current value together with the sibling shown.
- leaf 7cc8aedde8a845035d693698e4db8ae3b5fd9d43882019c309026875e82c1103
- 01 L 7c78d60d657b1ccdaceab070315eb784138ef4b4fdc316fb396a3321ad7fc5a8
- 02 R d38641a6efe1029d64c0ec90483685215d568cf70e0902d399614f4e16afa12a
- 03 R f323f5cb90aa0e0edfcef5876fbbcce73f5ece2414295f7af4970f4e354e72cf
- 04 R ab4f4f5436acd8297ac5ee03b39a091770d0dfadda8c7258460e78931f115a41
- 05 L 8cfe173bcacb4d565a7f71306ced0def0bde7f7ef7c908d9a5ffc8ccf418985b
- 06 R 2a3eb54ab5da56acd0bf124c61bf3826abaf72ca5079de44efb72590a759349d
- 07 R 7b95b1b76dbe19f8f2f6d7034062c2419dafd07534f20d7e32d36a432da3a9aa
- 08 L 1ad616549ae71bda19675d7bdd6237dcfde579b61ddd3f1ffb3eda9ad4f30267
- 09 R f28e4c03436f599e2b460393b75434b088c1ef3430a8fcbd032d6610a1c414ff
- root 3b493f5f7e60739d0fe98621a32bfa68115e560c980cb2ec12614163b55f7fea