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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION XII Award a ₱4.8M contract to NIRVANA CONSTRUCTION AND SUPPLIESNational agencies
Transaction hash:
036e4ceb8fd0d1c4ea1ca85c1988f710c73239dc2d52d94bb06cd3de2b99f1a0
Status:
Included and unchanged
Block:
#600 5,413 blocks after it
Position in block:
Transaction 1 of 22
Award day:
May 18, 2009 (17 yrs 5 mo ago)
Value:
₱4,762,016.50
Project:
Construction/Improvement of Alegria – Datal Anggas Road, Alabel, Sarangani Province
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 #600 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION XII awarded it to NIRVANA CONSTRUCTION AND SUPPLIES on 2009-05-18.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 036e4ceb8f…99f1a0now …
- 2. Block Merkle root changedstored 5fe32d8c95…7cfc1cnow …
- 3. Block #600 hash changedstored 5529b41dd5…17f210now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 21 records. Each step hashes the current value together with the sibling shown.
- leaf 036e4ceb8fd0d1c4ea1ca85c1988f710c73239dc2d52d94bb06cd3de2b99f1a0
- 01 L 005d12e447e4c211164420a0aac633081ffa78ae08337373ac10b9c8b5560055
- 02 R 9b3320d0ef1d33a10fea96cc9721812f47031187e6994e36f97eb6b1bfaef6b1
- 03 R c71496021933c0101a53db58f701da737143654d44e50a415af864f780d75576
- 04 R 5edbda98324ff315f640a983b95e8d8e5f357727f202324d1a55041eea0e9a14
- 05 R 926506485db595dd6ccad88814ed3844988446c3ba23437ef85f8236681ed3f2
- root 5fe32d8c951599be8a167fb7439672bb9f99ccdb052c41aacc7ee383ae7cfc1c