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 BATANGAS Award a ₱1.5M contract to A. MONTALBO TRADING AND CONSTRUCTIONProvinces
Transaction hash:
f498acf536b4e8caf084a2e1e1da829128e055fa5b38e83797272e3132851310
Status:
Included and unchanged
Block:
#3,685 2,328 blocks after it
Position in block:
Transaction 219 of 227
Award day:
Feb 20, 2019 (7 yrs 8 mo ago)
From:
Value:
₱1,498,037.56
Project:
Civil Works
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 #3,685 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 BATANGAS awarded it to A. MONTALBO TRADING AND CONSTRUCTION on 2019-02-20.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 Batangas gave a "not stated" 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 f498acf536…851310now …
- 2. Block Merkle root changedstored 277d33e99c…8209e6now …
- 3. Block #3685 hash changedstored 99f61ceabb…12d365now …
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 226 records. Each step hashes the current value together with the sibling shown.
- leaf f498acf536b4e8caf084a2e1e1da829128e055fa5b38e83797272e3132851310
- 01 L f450dbe6411a8b5a20877f8b3235bb934a4a9081c86679896dddf27011f2520d
- 02 L f707f3220d2ece74b4c81cec15dec206a4fbbc739fbad22d26d35a4c6628572a
- 03 R f4c06faf9a52e0f575cffabd25bc01d9f2cab47a98e578c7580e64ee7c898434
- 04 L d69cd9c6add29c6d2df80ec4af8468610f0aed1dc6a993d5ff9ed0b332b58b7d
- 05 L ded6589330c627d6e3801705266cc69930b40746fc17bc082a67017b5bfb24fa
- 06 R 871b4ce5ac799760f6af5f8f5b0bed7f8dd033c524b4d240738e0f9c0dd4052b
- 07 L aa7778cb3bae9a3f86e54a6495615834870381d86722ce16858a4f28994ae064
- 08 L 5165d3a25f9b79d4e2d5cae3a14ed8a17ae6c0a176df79ffce0836574af437fe
- root 277d33e99cac5937d315c144db0f0b1238d41a8c8e1ef1e23065a2f78b8209e6