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 NUEVA VIZCAYA Award a ₱1.4M contract to AMBAGUIO BUILDERSProvinces
Transaction hash:
82ca7ece7c021761eec7cd467e5bdd54de25b3c5ef248f96f4d0ea0c3f2d2198
Status:
Included and unchanged
Block:
#3,814 2,199 blocks after it
Position in block:
Transaction 158 of 318
Award day:
Jul 9, 2019 (7 yrs 4 mo ago)
Value:
₱1,442,138.90
Project:
CONCRETING OF JCT. NATIONAL BATU-BALINTUGON ROAD
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 #3,814 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 NUEVA VIZCAYA awarded it to AMBAGUIO BUILDERS on 2019-07-09.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 Nueva Vizcaya 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 82ca7ece7c…2d2198now …
- 2. Block Merkle root changedstored eddc7e5961…087859now …
- 3. Block #3814 hash changedstored 50bc686e73…0d3177now …
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 317 records. Each step hashes the current value together with the sibling shown.
- leaf 82ca7ece7c021761eec7cd467e5bdd54de25b3c5ef248f96f4d0ea0c3f2d2198
- 01 R 835e3fe785dd69f2d1cdaef5c9d7617061295a56b4959252b1bfa510921e12e5
- 02 L 08444b1d6d4d9a545f520b108a0bb05b6f3af656159a8fd0e03f0a6ac912f676
- 03 L e3dd7d3cead9309a50926b2ec4f184a2461f866f026145c7f0536a26834651a2
- 04 L 8f12e424e70c40969676edbb0aaafacb51fe0f9c315fa16acf2eb74affb612c3
- 05 L 83c3618c955ba039066d6538f6eaa31a4302fef7695cece826aaf4ecc4fb40e3
- 06 R 4ac6dc8d79e5580931db68c2e0c6b12264c5ec1dfda61f09ebca2ef0b1b6259e
- 07 R 95f3fa94699c6151384794dd8db0651b14113cfb934e788655e3816273fdbf81
- 08 L 385574ce845b02dda6ea438b4ee822e900149cec31c3c4a6d7bfbf1c14e4d580
- 09 R 6e46e962dfa8f80845230684b20490702ab6516ddc6f7cab0ba6824b196a136f
- root eddc7e5961a0b6e984ad7abc0d151d2c4ee746cda8ca0717c74447bb2d087859