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 TARLAC, TARLAC Award a ₱193.7K contract to DYNA CORE ENGINEERING AND CONSTRUCTIONCities
Transaction hash:
75b6da091bcb1bb4d5cd3aa789c01305e23d0d79370983e4756085fab4f5f101
Status:
Included and unchanged
Block:
#4,488 1,525 blocks after it
Position in block:
Transaction 114 of 233
Award day:
Jun 23, 2021 (5 yrs 4 mo ago)
Value:
₱193,689.69
Project:
Concreting of Farm to Market Road Brgy. Capehan,
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 #4,488 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 TARLAC, TARLAC awarded it to DYNA CORE ENGINEERING AND CONSTRUCTION on 2021-06-23.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 Tarlac 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 75b6da091b…f5f101now …
- 2. Block Merkle root changedstored bff9bc89f8…b36f45now …
- 3. Block #4488 hash changedstored a0bfaf8ef8…fca494now …
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 232 records. Each step hashes the current value together with the sibling shown.
- leaf 75b6da091bcb1bb4d5cd3aa789c01305e23d0d79370983e4756085fab4f5f101
- 01 R 763b46cfc5db4850ee52ba50a571af22a5f43ac6a34c60b78e607ad97518ae40
- 02 L d4cf8c6f8b23f512a1ac5be8ce1a2a2c66780d94edf93a3e31fc806501cc0626
- 03 R 2264baa973deb52eab445e2c26bb485c189cebbbcaba9ef8c78b032e8865370c
- 04 R 43f8ddcc995597abbe5ac52b35e5d936aa92e8c177123e2fa02be0bca09d2d8f
- 05 L 1942f8e3e32d97b0c74d0db4748f224104eefd22846ab204db21a16e23fad08b
- 06 L d4a80bee199cc432d9dac88b51df90f0f391ca2dc75706ac118425ca4b8c5504
- 07 L c43b108eae26fb61fd428040a361919e586c842e63490a957c2bd965ffc33254
- 08 R 7eee73abf17eb289fdddf172383d5741ce2911d10124a98da461eba47347bbb7
- root bff9bc89f8d475a183aa315476a95f282f33da20843523fa6f31dfd69eb36f45