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 ₱2.5M contract to VASTCON ASIA CONSTRUCTION INCMunicipalities
Transaction hash:
d10af5eae76dfa421f6dc7a551031d6b7c02b28d2a5654080da0f352ebd8ac3b
Status:
Included and unchanged
Block:
#4,361 1,652 blocks after it
Position in block:
Transaction 287 of 340
Award day:
Feb 11, 2021 (5 yrs 9 mo ago)
Value:
₱2,498,413.61
Project:
New Const. of Level II Potable Water Supply System
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 #4,361 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 2021-02-11.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 d10af5eae7…d8ac3bnow …
- 2. Block Merkle root changedstored 9df6f63064…40297fnow …
- 3. Block #4361 hash changedstored 0305164d33…292f3bnow …
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 339 records. Each step hashes the current value together with the sibling shown.
- leaf d10af5eae76dfa421f6dc7a551031d6b7c02b28d2a5654080da0f352ebd8ac3b
- 01 L d100c14e1edc35e2f46137da1f1ef0eead84e38e278896c1e1d61b0b9c30d56f
- 02 L 02ddef1f66a08a3ad608bab597039a4b0d4a3005f18c288a7bf4a171cc8588f5
- 03 L 5011f56c1ebd270fd4de235b1a70bf313f7150ae99b331c1c2d5e7cdcf59f0c3
- 04 L 76c500755f212d90ab2db468d0581e46e674ba2186d1a2347a6c8ecfa7ac1f54
- 05 L 1c927504c589c7e185a4df910529afb769f46dc345b14cc4e2404fc22017efc5
- 06 R 62bca33a59eaaf121c45fa01fa20e3310c23863589e6440e28967ea2be5fbe90
- 07 R 3a02677784e10adcc9b68f5eb032e1cc9db1f92999553e403274f635704fe3f3
- 08 R 63ae5d6163c06397e443e4f72ab2390b3514aa005c1afa3cbf7dbbaa41baa19d
- 09 L 5a334070a4e3851e58525867b4cc4b74c3b302375292bb432e07f41eae771236
- root 9df6f630648cd7495c2768ab6dfb9da07bb78f75ddab0ba649497e942c40297f