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 SIQUIJOR Award a ₱1.4M contract to TESAR BUILDERSProvinces
Transaction hash:
b0fa2e05ba91ccb3d67f3976fb40302ac11a011cbc3f28d48813618f85d74951
Status:
Included and unchanged
Block:
#4,442 1,571 blocks after it
Position in block:
Transaction 155 of 233
Award day:
May 6, 2021 (5 yrs 6 mo ago)
From:
Value:
₱1,420,849.87
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 #4,442 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 SIQUIJOR awarded it to TESAR BUILDERS on 2021-05-06.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 Siquijor 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 b0fa2e05ba…d74951now …
- 2. Block Merkle root changedstored d930d90c19…e5b960now …
- 3. Block #4442 hash changedstored f30e77e9ec…900702now …
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 232 records. Each step hashes the current value together with the sibling shown.
- leaf b0fa2e05ba91ccb3d67f3976fb40302ac11a011cbc3f28d48813618f85d74951
- 01 L b025ada77df4774a06d367dc53903c646087b8d23a8379e7e2d16683e5c9ceb6
- 02 L 5e15048abc8dab83bf8c5ae51acd9761a5abd6274436198960578cbe25f17354
- 03 R d7e4f4c6dbfd0403a8967babd020fd7ceb34bce0289712834bcff5aafdd1c4a9
- 04 L d11c23509c1d00ec9dbb2f45e105ca6bbd1b53b662d66cd1bc0c6d47f722a857
- 05 L 84f73e7b1e26fc38e3e5642d10e4f042427812097c991b05131a866e1946fad4
- 06 R e02a55f8b8a4593d9018ec457b159d48a67ff231448eb62e0e346ca02eb68cdb
- 07 R be3b0feef55e113fa1090d18b1ba11acd21fbd9ea14e805a454f019b1427bf8e
- 08 L f1c0fcecd567bc2ef4123e0e6e9a99494d30e9774989e71ac163b0fcd53c4155
- root d930d90c19e50400b5188a7b017452c202fa97312e8d144805552875d4e5b960