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 PAMPANGA Award a ₱658.3K contract to ALFREDO D. SANTOS CONSTRUCTIONProvinces
Transaction hash:
6d0a1f8cd5601bf3a7377dfd97e971e06d6d56ede4df317bcaee431e943e1a2b
Status:
Included and unchanged
Block:
#3,342 2,671 blocks after it
Position in block:
Transaction 203 of 453
Award day:
Feb 23, 2018 (8 yrs 8 mo ago)
From:
Value:
₱658,287.68
Project:
17-2373- To supply labor, materials and necessary
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 #3,342 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 PAMPANGA awarded it to ALFREDO D. SANTOS CONSTRUCTION on 2018-02-23.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 Pampanga 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 6d0a1f8cd5…3e1a2bnow …
- 2. Block Merkle root changedstored 718afafae9…ef195fnow …
- 3. Block #3342 hash changedstored 043ae7ee1d…50a068now …
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 452 records. Each step hashes the current value together with the sibling shown.
- leaf 6d0a1f8cd5601bf3a7377dfd97e971e06d6d56ede4df317bcaee431e943e1a2b
- 01 L 6cabaa8ff9ce29d3138d6e390b2309b4cd74dfd441b7ee81bfb2f639a63ba944
- 02 L 8732206cbfca63130434060f84ca238d0341cf59a2fb0e90d65707c2830f95ff
- 03 R 2266a06220285cd223b82e49295e7727eff757961612cb5f7d9426a054f2b56c
- 04 L 110f90c570fb4181ccea9dd67bb4c9fd0e93a0d36a679eda306a0960103d5db8
- 05 R 24b6591a142cd87a2ec820c5da87fc209a492d1257b8b75da362e72735c66175
- 06 R 162b85f9ae5ffd9522049a5d2b737ecaad353731d504edbf1d100b728dcbfe6d
- 07 L 1f9aa206d87966b6635d5ae3502988cf3cabea42e54b6c5003e78385452ef9a5
- 08 L 574159c689d472e02d5e20ba9e32898bc9d7b5456f182a9439becfd59df617ad
- 09 R 454fe1e88a30b26e7f8821300920beb2919bbe849ba5234ed7980a8106de3626
- root 718afafae925f66d41253200dc8aab1e616abe24de374269c48458e6baef195f