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 ALITAGTAG, BATANGAS Award a ₱67.5K contract to R.G. EVANGELISTA CONSTRUCTION & SUPPLYMunicipalities
Transaction hash:
aab8b8a5fd0e8be58e98b558d6a54e66b3d2ccb89d27d5ca951eba2dce48e4e3
Status:
Included and unchanged
Block:
#1,916 4,097 blocks after it
Position in block:
Transaction 154 of 228
Award day:
Nov 13, 2013 (13 yrs ago)
Value:
₱67,500.00
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 #1,916 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 ALITAGTAG, BATANGAS awarded it to R.G. EVANGELISTA CONSTRUCTION & SUPPLY on 2013-11-13.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 Alitagtag 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 aab8b8a5fd…48e4e3now …
- 2. Block Merkle root changedstored 39b78c6210…928902now …
- 3. Block #1916 hash changedstored 0b8e805d35…f52ad4now …
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 227 records. Each step hashes the current value together with the sibling shown.
- leaf aab8b8a5fd0e8be58e98b558d6a54e66b3d2ccb89d27d5ca951eba2dce48e4e3
- 01 R aaf8f1217866eb60a7552773955dc23cef955c6d3be73ff9c4d071d06216c7b6
- 02 L 4df3f6b75ac74cc5b966798c19003e8da770445ef209d274064992726f4f0625
- 03 R e48ea70844a6a92db04bd085d7f0a638798b4b8ccc3657ffabf242e61a6c2681
- 04 L b00d9cddf310fd5605f8721af16fcca2596b6cb8bd7d84d3d06a6afdec7d62e7
- 05 L 2c43a8b675e65f436dad7012d8dbed854bbdf889e10e6bc16d427399a6337b43
- 06 R 60f3e035ce08e5a13a50f2c38c7952de179faec677c97f30237a0f911a8dcc0f
- 07 R 5a05041ed9101d7bc75ab60b1c1d0c1b316136c01d3f62e894de00fa164b8371
- 08 L ad4981282f23ffc31c20b4b07441e6d0e885244bfed09297887d8e57da8f9fe6
- root 39b78c62101ed5b59bc618a19eab44d0bed5c1efeb3a8e5c5c8e6eb5fd928902