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 III Award a ₱80.7M contract to N.B. AVILA CONSTRUCTION / SELPHAR CONSTRUCTION (J.V.)National agencies
Transaction hash:
904ad496ee62819fff742e54a5ab4b63d58f8bf617c10b3050f13c6f11c2cb31
Status:
Included and unchanged
Block:
#5,156 857 blocks after it
Position in block:
Transaction 151 of 294
Award day:
May 17, 2023 (3 yrs 5 mo ago)
Value:
₱80,725,467.30
Project:
23C00190
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 #5,156 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 III awarded it to N.B. AVILA CONSTRUCTION / SELPHAR CONSTRUCTION (J.V.) on 2023-05-17.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 904ad496ee…c2cb31now …
- 2. Block Merkle root changedstored 3ba10585fb…5ec860now …
- 3. Block #5156 hash changedstored 4cc1078896…aafdb8now …
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 293 records. Each step hashes the current value together with the sibling shown.
- leaf 904ad496ee62819fff742e54a5ab4b63d58f8bf617c10b3050f13c6f11c2cb31
- 01 L 8ec25ab6e2b536814e94abd53d63625f72ff737feaa7b1d0361ef68d12bdd731
- 02 L db2508d8d64073fc5b744c8275a851cd170abd3edaf23bfbbd48ccedf0d7e64a
- 03 L fabc056d95bc7d4d3c403df3de4086944586858a68254d2b9e723f35eed4f56f
- 04 R 913117a8ee5e6f8d4b3e001f75f99dc8abd57c6ad4f742b14a9b748716eb7186
- 05 L 3078f16f63c54e6b6c9c4c75906be2bf07025e05a407eec49123d12983a9352b
- 06 R 69095ad7e52a0d8db62a7968918c921179fff3c0c08536156f9d684ee4318ae8
- 07 R 272a526cf0fcb540c25e8ed02c3e371b2dcd4c6689537b85e6c1ee212a61e5a4
- 08 L 291ef5aac29a4397b93f410d9d44ccd716adb1e81361bd823fda19662dee7517
- 09 R 870bc5f672f92d50557094c8564f68dcc0ea258fdc121582c5e1eab536523515
- root 3ba10585fbaaae505dba14aac7ce8856523732523224d61d5f949288435ec860