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 ₱39.9M contract to 739 BUILDERSMunicipalities
Transaction hash:
7b2c09a3a4e37ab040d445fd8f8bfbe5c3e30975f8de573e9ede3ea01eff2ac7
Status:
Included and unchanged
Block:
#4,536 1,477 blocks after it
Position in block:
Transaction 91 of 200
Award day:
Aug 12, 2021 (5 yrs 3 mo ago)
To:
Value:
₱39,862,418.17
Project:
Construction Of Narvacan Farmers Public Market/Com
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 #4,536 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 739 BUILDERS on 2021-08-12.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 7b2c09a3a4…ff2ac7now …
- 2. Block Merkle root changedstored 39fd2c8a83…8d797fnow …
- 3. Block #4536 hash changedstored ac12eb3407…e5f9c0now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 199 records. Each step hashes the current value together with the sibling shown.
- leaf 7b2c09a3a4e37ab040d445fd8f8bfbe5c3e30975f8de573e9ede3ea01eff2ac7
- 01 L 7aee1dcf7157b47593743eaee40205adb46875dc89e511d46b7d021c02a73a31
- 02 L fdf8ede6baf7c48b6fd55f6da7f86915b11c149cf2021541254cf7fc2c4670ef
- 03 R 1109ec666cc3feced2a39f758a9d3a796998929bc4960832ec93fc2f8a4c67ec
- 04 L ea0aa2b2de0ac4c929fa1c5fe4cf7111bccef5b3960f5cc3d1c6199f3cbf9182
- 05 L 93dbcc0a02c6cb5638dfc961eb5c29531aac1358d7bc75fe711ef90936ca3290
- 06 R 08f881185c1009d57ea9fb08e006c15fe935b0844c1537fa88775383137dbe19
- 07 L d46d6053228cb54f28fe06e5860d6f2f45d4c008e1362ff50d7bc868e4cbc613
- 08 R 86687e89628132fbba53e06f88f59c6f7ae8249278b9f04aa9279483d72536f8
- root 39fd2c8a83a1a500c0e1f37c3b7ef17f612096ca4cada00a644a2d67038d797f