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
MUNICIPALITY OF NARVACAN, ILOCOS SUR Award a ₱39.7M contract to NGEC-NESTOR GENERAL ENGINEERING & CONSTRUCTIONMunicipalities
Transaction hash:
4e74366fb2e66f79cded62c65b893620bf5bd2d9069ef8ab11c9ae1b979c3d20
Status:
Included and unchanged
Block:
#3,420 2,593 blocks after it
Position in block:
Transaction 67 of 259
Award day:
May 16, 2018 (8 yrs 5 mo ago)
Value:
₱39,698,195.55
Project:
Construction of Flood Control Projects/Storm Drain
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 #3,420 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)MUNICIPALITY OF NARVACAN, ILOCOS SUR awarded it to NGEC-NESTOR GENERAL ENGINEERING & CONSTRUCTION on 2018-05-16.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 Narvacan 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 4e74366fb2…9c3d20now …
- 2. Block Merkle root changedstored ae2e766c9b…bb3bf9now …
- 3. Block #3420 hash changedstored 2f046e3e87…2c0cebnow …
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 258 records. Each step hashes the current value together with the sibling shown.
- leaf 4e74366fb2e66f79cded62c65b893620bf5bd2d9069ef8ab11c9ae1b979c3d20
- 01 L 4dbf0299fe70be84971e915ae997a3eccd91454b459129eb31bf028f61edffc5
- 02 L 53027bf75338d35fbf33189895d3f05ecbd8fd897a02a7c69037ca9be715be86
- 03 R 972bef96fd42193898f2c50938300e7d5ad2af9a73c60b656b4b7692c72223c2
- 04 R c8e2125a539d78e4f3215146c2c74730a2df3520c2b67c61c33d396dd9f0d2d4
- 05 R 6388e7f4db714411d02f2384abd7b87a11b109e13d0f7aa77d9a63ee4c6ef542
- 06 R 6326b66921e236b6b0bb667887f44b26e8f43792edb651c634c7439f7233efd5
- 07 L e28e14697cb4f6a67ab155f66f47e3d030412d4c77025a39fca11dd83ce37244
- 08 R b0acbc50fb4c6d3de5e2f07709541b534c90fba1e7be3bcc28cfdfd16c7f7d12
- 09 R 77eb48a1b6ccfc7f3689817640a65c7a7ea5e0056b8865e0c113b337ee598cb6
- root ae2e766c9b1583b954e2197de94fa44b588c6b7b6fbc7a122ee7db03dfbb3bf9