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 ₱2.0M contract to NGEC-NESTOR GENERAL ENGINEERING & CONSTRUCTIONMunicipalities
Transaction hash:
a3f7cd5c2e73e531c6eebde6821980a13274fd765d595b0bb7414c8ca4630570
Status:
Included and unchanged
Block:
#2,698 3,315 blocks after it
Position in block:
Transaction 532 of 798
Award day:
Mar 23, 2016 (10 yrs 7 mo ago)
Value:
₱1,987,539.97
Project:
Construction of Culiong Farmers Multi-Purpose Bldg
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 #2,698 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 2016-03-23.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 a3f7cd5c2e…630570now …
- 2. Block Merkle root changedstored e89f2edf19…c10c37now …
- 3. Block #2698 hash changedstored ac5bbf00fd…ed32dcnow …
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 797 records. Each step hashes the current value together with the sibling shown.
- leaf a3f7cd5c2e73e531c6eebde6821980a13274fd765d595b0bb7414c8ca4630570
- 01 R a411562f8c5659cdec06d6fcbc7d1a05ef396685a6e0c20bf3f923eac7e967d9
- 02 R 59de4020a8086d6744a8a2fac964fdf25fa5e3725927e4a3d7e807206bff1010
- 03 L 01a16e52c7b1a5c2eb3f3f5532f6427c7a743a2a5227e47a14dab2d3e1ea28dd
- 04 R 80ba2506d0106909c40173959b07acfdac7f255d2ae492bbeb9027ff98cece1a
- 05 L b0da0b500f6ccd3f0319b51d8425a96d771ffa851b4354ec70b5d39e86e45c12
- 06 R 22e2d5f6e42e333580726a24dedfbfba6a243dae48d74f479d8b6bd4e4629631
- 07 R 9a27b96d14e7b6484d3e6ec64f6e77afb24ac94077c31b5d2f71fe6ba39f95b5
- 08 R 22e7fc798009bd2013b52acbe285efd5a0e6a85f9d9f6b507fa72cb5f6873437
- 09 R 7ee736d27aa0a45f44e8408da216eed95e42ec3b417eb55db261edbb5555a066
- 10 L ea5fb485c77148c65d679f52b8bca0603a811bb460ea0b7fbc61dd831bca37d8
- root e89f2edf1932e51b2bcba32fdf26e3abcd9475e8b38d78ecc91cfe2427c10c37