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 SALCEDO, ILOCOS SUR Award a ₱395.0K contract to NGEC-NESTOR GENERAL ENGINEERING & CONSTRUCTIONMunicipalities
Transaction hash:
7aa50b6d22dd4b6ce2f3cd296ce0c83cc281c6438da2089527957d2c479fd7da
Status:
Included and unchanged
Block:
#4,681 1,332 blocks after it
Position in block:
Transaction 100 of 198
Award day:
Jan 5, 2022 (4 yrs 10 mo ago)
Value:
₱394,987.38
Project:
Improvement of Dinaratan Multi-Purpose Building
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 #4,681 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 SALCEDO, ILOCOS SUR awarded it to NGEC-NESTOR GENERAL ENGINEERING & CONSTRUCTION on 2022-01-05.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 Salcedo 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 7aa50b6d22…9fd7danow …
- 2. Block Merkle root changedstored 44ab9b670a…464cd8now …
- 3. Block #4681 hash changedstored 7e27981587…7cbd21now …
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 197 records. Each step hashes the current value together with the sibling shown.
- leaf 7aa50b6d22dd4b6ce2f3cd296ce0c83cc281c6438da2089527957d2c479fd7da
- 01 R 7ae68146b075c1b608208dd65598a32d25b03c3946a0dec1d9e1ef7e6b014fc9
- 02 R c80f4c7b0d35f1016f93f6d41738a2fdd3ecd8a495948e9d468d119e03ac35b8
- 03 L 88c0c5c22182c6965e53f9205dadb03e64697e3ec5637a20f8cb88b042ba1bd0
- 04 R ba6fc3181ec7e025d4e8d1e84e7627de445829695bec856ea76177d64edd6da4
- 05 R 3c1e4801003dc4f14e8368bc39fc1fde3bcf848b6aed9be8db8fd7fb4da92ee6
- 06 L 9af228f33943fa6b0a4cade80ead88905003c152ef5fae55c265c8a77c1e216c
- 07 L d0456f8f7819c9aae38a220ed4f697a225df4ac2f3bcfdb3fcdf59d1f48d79d1
- 08 R 36c73db2a83a1d727dbcc9f6d1e5d994c435f9ea487ed678207a2b9a07e2d4ff
- root 44ab9b670ad7f32c3b488df7771149ebea68d1057e0757d401eb71fd17464cd8