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 SANTA MARIA, ILOCOS SUR Award a ₱2.4M contract to MBB CONSTRUCTION & SUPPLYMunicipalities
Transaction hash:
2c85856591f6d1633cb5bbccffa13b3280d1779cf109c3346cd23fd9f3b98db1
Status:
Included and unchanged
Block:
#4,268 1,745 blocks after it
Position in block:
Transaction 0 of 7
Award day:
Nov 2, 2020 (6 yrs ago)
Value:
₱2,397,278.82
Project:
CONSTRUCTION OF FARM TO MARKET ROAD (BRGY. NAGTUPACAN)
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 #4,268 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 SANTA MARIA, ILOCOS SUR awarded it to MBB CONSTRUCTION & SUPPLY on 2020-11-02.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 Santa Maria 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 2c85856591…b98db1now …
- 2. Block Merkle root changedstored 0591054c26…3e182dnow …
- 3. Block #4268 hash changedstored 799dcfb3df…ad1322now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (3 steps)
How this one record is tied to the block's Merkle root, without needing the other 6 records. Each step hashes the current value together with the sibling shown.
- leaf 2c85856591f6d1633cb5bbccffa13b3280d1779cf109c3346cd23fd9f3b98db1
- 01 R 6728d7aff7e19b110e524d447b870f8134822e6f7cf5bd08b8aef0d36dfe3ede
- 02 R 4f651a83c3e12ac16b045c1a712408d8388dad2a0ec8131a297f442a662ef608
- 03 R 438329438e09efb895323a31f1bfc9bd7f2dfded27518a8d0d95efc4f0f7e95d
- root 0591054c26469f1c68ad0a97fe588be359431534e940f2577a447643a13e182d