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 TANJAY, NEGROS ORIENTAL Award a ₱5.0M contract to PAR BUILDERS, ELECTRICAL AND CONSTRUCTION SUPPLY CORP.Cities
Transaction hash:
c4df613b610cee7fd38f6849b9045d03adc786b8449d255a36b20f9a62a96403
Status:
Included and unchanged
Block:
#3,090 2,923 blocks after it
Position in block:
Transaction 140 of 181
Award day:
May 31, 2017 (9 yrs 5 mo ago)
Value:
₱4,994,973.50
Project:
Construction Projects
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 #3,090 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 TANJAY, NEGROS ORIENTAL awarded it to PAR BUILDERS, ELECTRICAL AND CONSTRUCTION SUPPLY CORP. on 2017-05-31.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 Tanjay 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 c4df613b61…a96403now …
- 2. Block Merkle root changedstored 63c09d4c58…bf1f9dnow …
- 3. Block #3090 hash changedstored e1a885cd1c…aa6172now …
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 180 records. Each step hashes the current value together with the sibling shown.
- leaf c4df613b610cee7fd38f6849b9045d03adc786b8449d255a36b20f9a62a96403
- 01 R c92420befa301ad9030667a5ea9e0d6651ab20b8c7d37f5b8d10046c387dd8e7
- 02 R 888136e1ce3d596ba4b397ea3a894ad77923ed22c837a682b67e0a76c97a7e71
- 03 L 6222362d3db4d7d445e81a2ddbb15d560264320a0ae1983af30d8c4e8468751d
- 04 L d374def691f2b84d40377923d3191035764ee252c022de677473922d843d88a7
- 05 R ae00dbb1a27c409a8191984b6b8709dba79bc121cf278adc577d919579e9c27a
- 06 R dd5f421a1f1b2bd27def78acc9422b0cbaee92c2ec5a9c106448176dd82f201f
- 07 R 2ad957cccd0fb5fd776a3c013869e1631377ce48d35c989a003af63def014607
- 08 L 843b36dee27d875aa84e652f04fb5061fc18d7102945acfd60bd0ab047af2b1e
- root 63c09d4c587707a11892d349db88c0d98049e7b1253106f0d465146256bf1f9d