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 - ZAMBALES 1ST DEO Award a ₱24.0M contract to CDC CONSTRUCTION AND SUPPLIESNational agencies
Transaction hash:
9b2e08bd22e1abb8182fdd5a627a3cd974a1fea913bd610b48f865dc5115dda5
Status:
Included and unchanged
Block:
#4,205 1,808 blocks after it
Position in block:
Transaction 183 of 294
Award day:
Aug 27, 2020 (6 yrs 2 mo ago)
Value:
₱24,004,375.00
Project:
20CL0089 - Galumayen Rd.
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 #4,205 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 "Outside Infra - GAA 2020 DA FMR", i.e. the FY2020 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 - ZAMBALES 1ST DEO awarded it to CDC CONSTRUCTION AND SUPPLIES on 2020-08-27.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20CL0089: 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 2020-12-21). 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 9b2e08bd22…15dda5now …
- 2. Block Merkle root changedstored f2ed2e6751…773d50now …
- 3. Block #4205 hash changedstored dbae1fd1ca…d66b91now …
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 9b2e08bd22e1abb8182fdd5a627a3cd974a1fea913bd610b48f865dc5115dda5
- 01 L 9a7a75313a2451b104d3bcc7e0a0d3dea2398f2734505c6c28099a41854c0366
- 02 L 7d58ec8f0881d0ae57ab238ee8f797a9318cb9e904fc4cf59ad738f7326fa357
- 03 L 0dcf121d69b6188f93c44e1a9b30e2ee3ba9bd6edd7d54080c090463edc06945
- 04 R 67cd80b050002a45f76a677d661e83ef8501c45bb012b780a7c570c99f10114f
- 05 L 3b59a63560abd71f9b6face4eb1eb2c11adfe340a498cccf92537e15e62d715e
- 06 L 6f81f5d0a87d924f89bcf88838b7e0da8cd52a84e9542689238cc1f1c6f2364b
- 07 R b56faee01238626a9fc384691b3a113378738b1ae21e721b791e1ecb095bf31c
- 08 L 503dcaed39b6e7a060cffd4cdb3e54a5072ed20947bf96236eedfaa6cda7a27c
- 09 R d386f2e82c28ee48c460f22c9887d7207742ca5ed0f2fbd57cd50db224e70e34
- root f2ed2e6751389560c66d9ded023dec0a107aa4742371016b34718fc04e773d50