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
PROVINCE OF ANTIQUE Award a ₱1.9M contract to LJK CONSTRUCTION SERVICESProvinces
Transaction hash:
54aed340c8d059c658dc08b74a33fde9369f5e82e92aeb58b063022f47070767
Status:
Included and unchanged
Block:
#5,963 50 blocks after it
Position in block:
Transaction 57 of 184
Award day:
Sep 15, 2025 (1 yr 1 mo ago)
From:
Value:
₱1,931,000.01
Project:
Construction Projects
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 #5,963 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)PROVINCE OF ANTIQUE awarded it to LJK CONSTRUCTION SERVICES on 2025-09-15.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 Antique 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 54aed340c8…070767now …
- 2. Block Merkle root changedstored a7ffa48da6…80dfa4now …
- 3. Block #5963 hash changedstored 85ee0cf24f…c2d28cnow …
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 183 records. Each step hashes the current value together with the sibling shown.
- leaf 54aed340c8d059c658dc08b74a33fde9369f5e82e92aeb58b063022f47070767
- 01 L 5033b176c99f400472ee0bdda9cb3babdf1ce9afdc931b12cadea760c4d8d6b3
- 02 R ece1191fba9d0056c793f208ae000d8db6e43d6e0b5cd3fafac953d16372b259
- 03 R 1e15780565ff20abce8a5c0c34bbc9abbc7e072a223802b0057f088f10eb020b
- 04 L 5e5bac6b70b1c20f7c99d53aa2a92e69aa3053622badb95dd7f479457c1daa3e
- 05 L 070015d2110305e6bcd886998ba279689c36e3cac15383c752a5e80b5d37ad39
- 06 L 5111e3fa21cb4704045479afb1f96971f41dcdf1fc290f3b5d3a2fb1490a87e0
- 07 R 85f82520cc23c292efa25c480d62e81a07348a546af4eda9a83f2a618ce65628
- 08 R c08a2aca01616fe1a0499bd21ae812cc345b76b19dd0868f6f0b3dfb45606f44
- root a7ffa48da619580ca0c3ca191d89e79ea035c3c0eff83ac09c525f7f9280dfa4