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 SAN MATEO, RIZAL Award a ₱4.6M contract to VASTCON ASIA CONSTRUCTION INCMunicipalities
Transaction hash:
3091cd9ea7cdbb66abc4ef842c26301768a2abdb182df9e515e9bcc5e494f1bc
Status:
Included and unchanged
Block:
#3,645 2,368 blocks after it
Position in block:
Transaction 26 of 105
Award day:
Jan 9, 2019 (7 yrs 10 mo ago)
Value:
₱4,558,051.01
Project:
Electrification/Installation
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 #3,645 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 SAN MATEO, RIZAL awarded it to VASTCON ASIA CONSTRUCTION INC on 2019-01-09.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 San Mateo 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 3091cd9ea7…94f1bcnow …
- 2. Block Merkle root changedstored d9a9671a62…55ed85now …
- 3. Block #3645 hash changedstored 453c28cbd7…b769fcnow …
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 104 records. Each step hashes the current value together with the sibling shown.
- leaf 3091cd9ea7cdbb66abc4ef842c26301768a2abdb182df9e515e9bcc5e494f1bc
- 01 R 3239b640d6a0c5f4a15b9bf0b1f13412adb970c600e8c62454bbc3c7555e00fd
- 02 L bfcbcaf331d77ac00cd681935729920f2f6b618fa326641e67a1a3ed0d0fecaa
- 03 R e3068886f37a6f019f4ccd367e3cc188bb914febd494db81bb8e5200bf02ef91
- 04 L 34e5e14474aac098dab8b42025ae0f5266da7cc792eb771123ff10bd0c0756b4
- 05 L 069178e6b4042359f1dc6f0f8114bdc2bf04869632fbec122502508dc1e18e96
- 06 R 04ba7c4d2709f82e567426f6ad378a72d0e722af4374e001ddb44666704c71f0
- 07 R 3beef2c665c9410897711827199ad9a482e44235e09d4a6a8d3bc9f38f412e12
- root d9a9671a62efd3a69c6ddb0bb9ed6e77c7317636aff382199aeca0de0455ed85