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 OF BATAC, ILOCOS NORTE Award a ₱14.6M contract to ZEDIK BUILDERSCities
Transaction hash:
e57f990fd96ac67fa3fdb1df2a4335d245e75c0c027ecdd3bc1ec09d309d765d
Status:
Included and unchanged
Block:
#3,425 2,588 blocks after it
Position in block:
Transaction 909 of 988
Award day:
May 22, 2018 (8 yrs 5 mo ago)
Value:
₱14,573,585.37
Project:
CONCRETING OF FARM TO MARKET ROAD CLUSTER 4
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 #3,425 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 OF BATAC, ILOCOS NORTE awarded it to ZEDIK BUILDERS on 2018-05-22.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 Batac 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 e57f990fd9…9d765dnow …
- 2. Block Merkle root changedstored afc2cd5390…19b960now …
- 3. Block #3425 hash changedstored 6e5fbdae95…f0bbc0now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 987 records. Each step hashes the current value together with the sibling shown.
- leaf e57f990fd96ac67fa3fdb1df2a4335d245e75c0c027ecdd3bc1ec09d309d765d
- 01 L e4ebf6294143a9c673bbe30e63197b0939a1f6bdf3318c7b6a35dd9dbde1c9d8
- 02 R 8a4886f4775452e2f6ab5e626a0c67c2e39d10db44a14aa0c3b4ed66057b5233
- 03 L 4e4deb6ac653a17563eb1c83b7d7b6fa76fda7a4117f41d940e4520ed3159f47
- 04 L fa9e1a55b4301bcc11bf5ee75cb173f78232c5f97b9069630a972db532e482db
- 05 R eeff40e5c2824a203fb5500248317be118f744b4e5a9e4a33ed830b9d79c2027
- 06 R 02d0f533e53d45639328a4dae775689fd527a1d0d4aeceaa4989a3c2b939307d
- 07 R 6e8320688d588fb01a017b9ada0bf325a8e91d4f4619e7bb6c3175b720e5631e
- 08 L 2253373b9667bb6ffb1521d707d5cbad40e523c06e457dcc14c671b5ea78e6e9
- 09 L f3f8fab4365fee983ebf8cdd5c6fd2866b81f0572278d922272c51292e712caa
- 10 L 3e427b01a4ca1b660d6e1f24b60405762746a630090c6f252970809fc885bbe2
- root afc2cd53900dc781e9fa8a2d8b4195cf4e813225eb7cee3f68b7bcb6f219b960