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 BATAAN Award a ₱971.8K contract to L.R. DE GUZMAN CONSTRUCTIONProvinces
Transaction hash:
a3ff882ddd1ea87781fc65b67793358f9d0ad1ff504d2d626e6c07b1c648bb48
Status:
Included and unchanged
Block:
#1,486 4,527 blocks after it
Position in block:
Transaction 42 of 70
Award day:
Jun 21, 2012 (14 yrs 4 mo ago)
From:
Value:
₱971,803.42
Project:
Concreting of Road Barangay Liyang, Pilar, Bataan
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 #1,486 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 BATAAN awarded it to L.R. DE GUZMAN CONSTRUCTION on 2012-06-21.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 Bataan 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 a3ff882ddd…48bb48now …
- 2. Block Merkle root changedstored 8b0c7902b1…9a3768now …
- 3. Block #1486 hash changedstored 7a05dacc1f…85f342now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 69 records. Each step hashes the current value together with the sibling shown.
- leaf a3ff882ddd1ea87781fc65b67793358f9d0ad1ff504d2d626e6c07b1c648bb48
- 01 R a5b3767c3c1199edc5426e9d376358575f417ece7b8544afbfe734d64904de70
- 02 L f7cda032d9016e1963f52bd0fd6de001cb4a5293bc26039e9389f13005cf43a6
- 03 R ec7f146cd663899b02d514be44bf7a4c7847436486c1a8f5d0f0cb8a6848d7ef
- 04 L 26a43f451db20ebb5c5127c70f253e605bda9993ed855e28588c782db24c727a
- 05 R 83f46a4f66760d40c5bcdbd0a49c9ae2c8252dd9c701c2885f2a273094c60e1c
- 06 L 0d4dc4279e9226d28c0c59ff4bf1e386bdcfb5bd9cc9c5090e8c75a141eebaf0
- 07 R ce0373d5c23c34df8b740a8a3571fbc09636f5200039676b768bbdd1eaf83897
- root 8b0c7902b1e411769aaff56594ba853ffd0d5daaf067193c4db8b3a5699a3768