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
CITY OF LIPA, BATANGAS Award a ₱18.5M contract to TRISTAN TEJADA CONSTRUCTIONCities
Transaction hash:
65b5cec671ea8f0d39b69cd67d2fc3894a2f4111c41012030e6ab05066a0c886
Status:
Included and unchanged
Block:
#4,639 1,374 blocks after it
Position in block:
Transaction 76 of 190
Award day:
Nov 24, 2021 (4 yrs 11 mo ago)
Value:
₱18,526,450.98
Project:
mini park
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 #4,639 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)CITY OF LIPA, BATANGAS awarded it to TRISTAN TEJADA CONSTRUCTION on 2021-11-24.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 City of Lipa gave a "not stated" 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 65b5cec671…a0c886now …
- 2. Block Merkle root changedstored de6d0af4cf…1a0dcenow …
- 3. Block #4639 hash changedstored 10577adf86…ac5927now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 189 records. Each step hashes the current value together with the sibling shown.
- leaf 65b5cec671ea8f0d39b69cd67d2fc3894a2f4111c41012030e6ab05066a0c886
- 01 R 65d3dd8490e681b71438394ba04111af72172765b6d250281ed8c021b689e464
- 02 R b864cc49ff98ae818c0c62c4086e3c5dd31e7c189b275e2daa5b3963f34035f5
- 03 L 9c137e97724317fce97d094c0a62b6e5ee74304e7ce56ded2ed9344e1bdaeec6
- 04 L ad458fa954163a0bc8cb7a089bdd2ba86a0978159c400b746ae3009a46e9465a
- 05 R 847e6d3508ee2e03fe239701dd3e3ed7bd8f78b3f7328532ce1c8fa0b27543bb
- 06 R df36bf4150b3e93197b8c367e8262b24a0273aaddc39352cedf3c9056fc1523a
- 07 L ef9e78f924302b7cc0a78efdd3ab1451d4ffecde360aeb8ff12111002ad5248b
- 08 R a76970726b0993a083fc996b4ef84165451899010049a87ef30c973e717bc1e4
- root de6d0af4cf673f03ce4807ca25cc3b70cc0929faca9b3d57fae18a144a1a0dce