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 XI Award a ₱98.5M contract to NEN BUILDERS AND DEVELOPMENT SERVICES CORP.National agencies
Transaction hash:
8ebf4e56efd6ad3c51407a5d1f2ab9cb2682f3ecbba8af2ab5bbfee67403a55d
Status:
Included and unchanged
Block:
#4,568 1,445 blocks after it
Position in block:
Transaction 137 of 255
Award day:
Sep 14, 2021 (5 yrs 1 mo ago)
Value:
₱98,478,380.73
Project:
21L00001 ROA, NOA, Contract & Notice to Proceed
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 #4,568 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 XI awarded it to NEN BUILDERS AND DEVELOPMENT SERVICES CORP. on 2021-09-14.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 8ebf4e56ef…03a55dnow …
- 2. Block Merkle root changedstored e8c63a76c4…ddeafenow …
- 3. Block #4568 hash changedstored f4eb6ba01c…b404a8now …
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 254 records. Each step hashes the current value together with the sibling shown.
- leaf 8ebf4e56efd6ad3c51407a5d1f2ab9cb2682f3ecbba8af2ab5bbfee67403a55d
- 01 L 8c4c75967625e1ed5bb06a930758764a9b9f46987db9d0d7771fa9311185a6c7
- 02 R ca26dab6e048d4a50eb2259e1fa7e22a4986af8e8e9019a47b88732ac8fa532a
- 03 R 1d2e05c10ec243636409a396c1f4e237ff550e3af84dd80570b893b650e40ba1
- 04 L 81698802e88c1473eb72a1190945766f85dd6e46e305380c20f1e63b7968e9b5
- 05 R eb80ff980f24fcc51d1f6fff22297037620a9f8174fce2c0fad680b174e18275
- 06 R 53159313bab471009a82d30f4e2c5206134478a520196e4df0778d551209d1fa
- 07 R 3714fb5bdaffdf049e247c01844d564b1d81bec7532d0dd277b816715cdc6d72
- 08 L 7c977393dac61814fd7e413714445491a673fe153c02eadcf7bfc069ecf5b0ff
- root e8c63a76c47c6463e9ee5cad759486b9f79ebc0a06d980bb028692699cddeafe