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 ₱23.0K contract to SIM CONSTRUCTION & SUPPLY & GENERAL MERCHANDISEMunicipalities
Transaction hash:
21cf5a5c32bdeec5a7a2efa9cdf5f6a13cb941c4b5bee9a9abd7ac66e25875b6
Status:
Included and unchanged
Block:
#19 5,994 blocks after it
Position in block:
Transaction 0 of 8
Award day:
Dec 11, 2006 (19 yrs 11 mo ago)
Value:
₱22,989.75
Project:
Repair/Improvement of Front Walling of Science Room Alitagtag Central School, Alitagtag, Batangas
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 #19 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 SIM CONSTRUCTION & SUPPLY & GENERAL MERCHANDISE on 2006-12-11.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 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 21cf5a5c32…5875b6now …
- 2. Block Merkle root changedstored f2e5be7827…b0f756now …
- 3. Block #19 hash changedstored 435cd9b2e9…ec5424now …
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 7 records. Each step hashes the current value together with the sibling shown.
- leaf 21cf5a5c32bdeec5a7a2efa9cdf5f6a13cb941c4b5bee9a9abd7ac66e25875b6
- 01 R 3fbe845c4640d4d0c632f397348e6450fb4ddd16aa44d10547b15988a3158a80
- 02 R 4492dc219eca4b0b6b261bb2ca7055cd6ee58ea2495e2e610ae33e135727b5eb
- 03 R e348fe1adac0249bd66c7a1d4bc27a7dd9a34f17f53cd529a49df7d0da68bec8
- root f2e5be7827352ca5dd0f2f7d95b64b8e20377ff61cf46548d029075f54b0f756