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 NABUA, CAMARINES SUR Award a ₱2.0M contract to EA-EC CONSTRUCTION AND SUPPLYMunicipalities
Transaction hash:
90d4c2fd95d6ed033b146801c6c53a0e7956dd731cf9c8db985bc90c214eebf6
Status:
Included and unchanged
Block:
#4,512 1,501 blocks after it
Position in block:
Transaction 181 of 335
Award day:
Jul 19, 2021 (5 yrs 3 mo ago)
Value:
₱1,995,300.00
Project:
2021 INFRA 062
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 #4,512 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 NABUA, CAMARINES SUR awarded it to EA-EC CONSTRUCTION AND SUPPLY on 2021-07-19.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 Nabua 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 90d4c2fd95…4eebf6now …
- 2. Block Merkle root changedstored e07a583c1c…a85704now …
- 3. Block #4512 hash changedstored e3e2824b94…29763cnow …
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 334 records. Each step hashes the current value together with the sibling shown.
- leaf 90d4c2fd95d6ed033b146801c6c53a0e7956dd731cf9c8db985bc90c214eebf6
- 01 L 8ff2c72a65b5cfde1101888027684b70ebb7a07f68025b49f8739118017aa59e
- 02 R a656b415cf2396b0a8576975277e04863e4b395ce6e02807d898adfae99567e3
- 03 L b86fff6d056b5970e0dc37edda341f8c8c40a5d8173eb1059efe04cded5fff7f
- 04 R d3491d020960b939b0661b8558cbbbfca0fb5390384b8275d7b80ec734a486f4
- 05 L 34f97ea6124571bcc747fc36b021734d1dd1b41336288f487dc20d2487fd8a53
- 06 L 78b468aaeb4e4de1e82bf891ccdb7e0ab4d834112a2c5c0fe59c8f6e0e8c22ba
- 07 R 3c436de460abeffa9eba84ec86ac7fa68651253ab255ca323de122b3f0328ba6
- 08 L 99fb8eec2bf146e9c1713a86defa867ad48e5dbe61e6bf9e26bc7164839a7fd7
- 09 R 5351f0d043bbf9ade886d8be6297f43f1b0b1e7ae3a483781c9b2dd8b23c0182
- root e07a583c1c9f79aeb318789e3bf12eeceb0f3a79bf190c1802dcb555aca85704