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
PROVINCE OF ILOCOS NORTE Award a ₱5.0M contract to A. B. TAYLAN CONSTRUCTION & DEVELOPMENTProvinces
Transaction hash:
7aa33eeaeba5b72f970f4817ee05dbe4ec658db95e59c6ed954a157da529e822
Status:
Included and unchanged
Block:
#3,599 2,414 blocks after it
Position in block:
Transaction 152 of 330
Award day:
Nov 23, 2018 (7 yrs 11 mo ago)
Value:
₱4,979,043.88
Project:
Construction Project
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 #3,599 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)PROVINCE OF ILOCOS NORTE awarded it to A. B. TAYLAN CONSTRUCTION & DEVELOPMENT on 2018-11-23.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 Ilocos Norte gave a "unmodified" 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 7aa33eeaeb…29e822now …
- 2. Block Merkle root changedstored e4c07b8971…a7fca7now …
- 3. Block #3599 hash changedstored b1faa832a7…06bd95now …
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 329 records. Each step hashes the current value together with the sibling shown.
- leaf 7aa33eeaeba5b72f970f4817ee05dbe4ec658db95e59c6ed954a157da529e822
- 01 R 7b03d3bc895e2222fff2be03f73aeba9d8fcd25c8cb31acb7be33477a8d9abff
- 02 R 5d13579f7668bbdc1547e0f81247b324a184b2401e34514993f743db02b2aee8
- 03 R 6eddefc67baaa2c9b5d8d9a9550919eded6cfbfc32b9449a050e55e4aa86b76f
- 04 L 480e11065fdf077f31ac9ab30550931f342b74882dc3cd3cc3e36a5f729de117
- 05 L 465b95a0d580af1ff0097f3b9ad50d9931d3ea450cde32e80b9913cce92b7ab8
- 06 R b1758e9ce5063f281abfe883edbb2291a2370332df594510267a7fbd9b488403
- 07 R d94200454ad24b8c3a235e57916623d61d8cd100e986ca9b7f231157871a233d
- 08 L 35c85399e0972adcbbe9c5f0dba68da78f5a0029cc8e8900100dea4930842c3a
- 09 R 4f580c22f8878c968b6fa704ee0e0802051cd0cb1fc0b18d2659dfebb0832a11
- root e4c07b8971f535d0b4ccbae2d5073737da5df668956ec13fd7c009b36da7fca7