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 TUBAJON, DINAGAT ISLANDS Award a ₱799.6K contract to TREBNYL CONSTRUCTIONMunicipalities
Transaction hash:
02aa5d0c0c2cc8af8a2e08657b0882ce058d34678ad8fa259bd21c5a1a3af112
Status:
Included and unchanged
Block:
#6,001 12 blocks after it
Position in block:
Transaction 4 of 373
Award day:
Dec 2, 2025 (11 mos ago)
Value:
₱799,585.23
Project:
CONSTRUCTION OF NCDC
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 #6,001 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 TUBAJON, DINAGAT ISLANDS awarded it to TREBNYL CONSTRUCTION on 2025-12-02.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 Tubajon 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 02aa5d0c0c…3af112now …
- 2. Block Merkle root changedstored 27f5cf14f5…20e149now …
- 3. Block #6001 hash changedstored 6d6d17717b…4c57d7now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 372 records. Each step hashes the current value together with the sibling shown.
- leaf 02aa5d0c0c2cc8af8a2e08657b0882ce058d34678ad8fa259bd21c5a1a3af112
- 01 R 02b59369348cf08f5e7d5b5d0f4076bd0d2a1c0475f92f5ee96f56d84df7b5db
- 02 R 85d8e93ed7ba8b326a778b394740f0857a15374840c4b022a371a5c58cfa8e75
- 03 L 3fc785b556e45067b92f32d3b02e9210ba8942425d5384723fbecdef92917b4e
- 04 R 8ffa8054a41a6f62d51be74abf44ca16fd12a1bd99fe6105e033cb6f0bf1fdae
- 05 R 499b8ffc0cf098c561b0eda8823fce2b710630cef3ba7ae2818bb29e0849ce60
- 06 R fa7eaf8fffc2b56a799f462c94380c75fdd0ba93967de82476e21cd74badb9d3
- 07 R 914a229d15d48df29b504cca9b8b5ba2c864e9325b2d841da82d245e4ef43ee8
- 08 R f33a9eba4e8e88860b5aeed50b77b8a1626fd8489418eb3f9404ce07ccbc6771
- 09 R 93b407ac3132e378c764e000649f1b3eee5a33cd94da8f875334a39796172d3e
- root 27f5cf14f51e2d3eeecf7083c431590288b7980cfb688b473328b01e1d20e149