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 APAYAO Award a ₱246.8K contract to GKA ENGINEERING AND CONSTRUCTIONProvinces
Transaction hash:
e541bc4ea3b937f7dde208826dde9a8851fcc1b4b627637554e99f728de4a63d
Status:
Included and unchanged
Block:
#4,204 1,809 blocks after it
Position in block:
Transaction 266 of 298
Award day:
Aug 26, 2020 (6 yrs 2 mo ago)
From:
Value:
₱246,839.14
Project:
Construction of Multi-Purpose Drying Pavement, Sal
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 #4,204 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 APAYAO awarded it to GKA ENGINEERING AND CONSTRUCTION on 2020-08-26.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 Apayao 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 e541bc4ea3…e4a63dnow …
- 2. Block Merkle root changedstored a8440864e7…078e1fnow …
- 3. Block #4204 hash changedstored b62395bb6b…61ce29now …
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 297 records. Each step hashes the current value together with the sibling shown.
- leaf e541bc4ea3b937f7dde208826dde9a8851fcc1b4b627637554e99f728de4a63d
- 01 R e82370ce36e1e338f70dcf131b1d9a75c95065e2b2c4f488a9a228e3f99a83e8
- 02 L 3faf2dbade39d14996b72044d99f617a25e56f2cc5996d4f648a413f9b2b1f87
- 03 R 1da314022508ed536264d2df6c6436c10028acbcaf469a32d043f75f0a7811f8
- 04 L a5136a6744723f34979d4f932bf6c4320b05eaffd6931f4a00cb177760593100
- 05 R 2b7de567d2f6e74208cf5dce5d2a22622d1e0bd796708d7bfb77286d0ec9ba25
- 06 R 67a94d58861db0801aa6f985b847ca90e4b08dc1f35c616e37a8157cbba34d67
- 07 R a25091163928e3a9467df6ffa39d3a61e29f1cb392f3dd7eec2141a2a2776140
- 08 R e991a2e72dae6fea008a1e93db41d3f268320260a3891c65b77e1474f956c6ff
- 09 L c6ebcdf679c047433cfe4981d26235a39b48e136172cac5e0b623cd349a2a378
- root a8440864e7dfd744b9b24d61655154b2864fac86c056f44029e80009d0078e1f