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 TALISAY , BATANGAS Award a ₱399.8K contract to L.R. MAYUGA CONSTRUCTION SERVICESMunicipalities
Transaction hash:
f4754d3d77f8240fbba2bbac6bc455bf62df74e2fa0c1b1718657dad5ec5b4d5
Status:
Included and unchanged
Block:
#4,922 1,091 blocks after it
Position in block:
Transaction 277 of 293
Award day:
Sep 19, 2022 (4 yrs 1 mo ago)
Value:
₱399,750.00
Project:
IMPROVEMENT AND INSTALLATION OF ELECTRICAL LINE AT
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 #4,922 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 TALISAY , BATANGAS awarded it to L.R. MAYUGA CONSTRUCTION SERVICES on 2022-09-19.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 Talisay 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 f4754d3d77…c5b4d5now …
- 2. Block Merkle root changedstored 5cd83119f3…5b6bc8now …
- 3. Block #4922 hash changedstored 72408629cd…847496now …
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 292 records. Each step hashes the current value together with the sibling shown.
- leaf f4754d3d77f8240fbba2bbac6bc455bf62df74e2fa0c1b1718657dad5ec5b4d5
- 01 L f43cba255e1efef2ed478f8ecaa82f2a7517d1225b9643ff54ab28ea3494d731
- 02 R 6c225c2745938c319ace0c4cb8179d444ed4d6a91025fbd95a664d21fba98a48
- 03 L c211ce65f7354ead4a90f6e690ac20bdaae9c858ad0f17976a3ba6f5dd094a8d
- 04 R 3ed27b881d0ee26b900ce9d909061a209c99a107ae2fd82f66c7adc094ad1368
- 05 L 40c7fec2b886a3279d0d5ae4c602ab9769cc2de54a8370b927bd42e6a48c12d4
- 06 R 44f636f3a7abf6c96ff70eddf5c9d4c7753bfe4d8495706bee0ff31dd2c17e90
- 07 R c9f402bb55fe85dde692acc495baea503e5d049d2c83c971820867e732698670
- 08 R 9c1b08feedfa847669bdb53acb6f848ade65ebcb8ce3c84b8cb844eae247940e
- 09 L 16cd6cdda95aa7becb736690de08c75815bd9bd24c90a4379183578fd4ec8b25
- root 5cd83119f3f45936718af124a33fc0f48c0160edc63a094d22aab69d635b6bc8