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 - ISABELA CITY DEO Award a ₱2.8M contract to NAB CONSTRUCTION AND ENTERPRISESNational agencies
Transaction hash:
f0a4aece1dbeca88302db61463c6929712bfc9c91c9c6d8386e5c5f006c21326
Status:
Included and unchanged
Block:
#4,404 1,609 blocks after it
Position in block:
Transaction 427 of 459
Award day:
Mar 29, 2021 (5 yrs 7 mo ago)
Value:
₱2,819,914.45
Project:
Contract ID 21JH0042
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 #4,404 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)DPWH lists the funding source as "Regular Infra - GAA 2021 LP", i.e. the FY2021 GAA. The exact UACS line is not given.Partly
- 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 - ISABELA CITY DEO awarded it to NAB CONSTRUCTION AND ENTERPRISES on 2021-03-29.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21JH0042: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2021-12-20). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 f0a4aece1d…c21326now …
- 2. Block Merkle root changedstored db4b7cd350…fd0a7cnow …
- 3. Block #4404 hash changedstored 1d5bc126e4…75e7bdnow …
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 458 records. Each step hashes the current value together with the sibling shown.
- leaf f0a4aece1dbeca88302db61463c6929712bfc9c91c9c6d8386e5c5f006c21326
- 01 L efeeebb3372d8b1a65b581acd76c6884fa018884485744872c2a901dd7c04133
- 02 L 1950af76ff81bbc1557db39c6adeca28f44c5586854527e6ef53b79bc94df85a
- 03 R aa0af14e39a2943feb3508b277b83d17997484a82bf36629078521c70204fc29
- 04 L 84b073272de2566c98390afbceb6c9fb18791bcfcd275631b91d135896aeb400
- 05 R 82c6b783fc2f7f0f0a30fca71ba7884ac3d6e31749e113bc3de24265f9b84ae5
- 06 L 92e9cd3c1b1847e5eae8009e89a1fe30380f69e2142fba772ca95c473a920bae
- 07 R a97efdf17a78cca1c961e0060e201c09b2473486365260e8d2bfd82dbf5d4015
- 08 L fe82daf98aa9140a39b9e2793cdd29398c7da64a430e8ff9b4e8890cb6a9ebea
- 09 L c8ef6a999944f02c457eb5428341c804c05cd2a06b72b5ec078561032faef6d1
- root db4b7cd3507a0d780dc315e46a9914674a82e3e53409f4b59fe98d8a14fd0a7c