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 - ZAMBOANGA CITY DEO Award a ₱2.9M contract to AA CONSTRUCTION & ENTERPRISESNational agencies
Transaction hash:
39cf8a26ea3f4ec504e846681a9508be705e8b47f1161b2c6a45a11648235a7f
Status:
Included and unchanged
Block:
#3,795 2,218 blocks after it
Position in block:
Transaction 105 of 470
Award day:
Jun 20, 2019 (7 yrs 4 mo ago)
Value:
₱2,857,290.95
Project:
CONSTRUCTION PROJECTS
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 #3,795 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 2019 LP", i.e. the FY2019 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 - ZAMBOANGA CITY DEO awarded it to AA CONSTRUCTION & ENTERPRISES on 2019-06-20.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 19JA0131: 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 2019-10-28). 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 39cf8a26ea…235a7fnow …
- 2. Block Merkle root changedstored 6f30ab76c5…447c47now …
- 3. Block #3795 hash changedstored b0ab307524…e768b8now …
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 469 records. Each step hashes the current value together with the sibling shown.
- leaf 39cf8a26ea3f4ec504e846681a9508be705e8b47f1161b2c6a45a11648235a7f
- 01 L 39706a9f6a46d9a0303ef11aeef624fc730a1a032b3c5f899f1dedc8a8e040a0
- 02 R 5e1d1f548a16c2f524746e9e4691c1bc67dc6a2a841d1d30d1cfffcb45bdc67b
- 03 R 1a65961f355c2e0828ae2c68e06d1255eef0225ed77068180cbb561132d80193
- 04 L d199091eaa3f266234aea1608daf4881c2effe805b871b293d2a46ae2ccfb2a3
- 05 R 09f88714bf44d766bcb91daef700f42be551189993b7aa1d269c6a5c4d76cad0
- 06 L 4c1ab34660c11161ae49a3758a355bb0fd3d0644cc7e8535f044aeb946f39551
- 07 L a43ca7636c85ad83b4f63556689d4c37f201514e4fce4e756256b682827c48b6
- 08 R 4710b9d6f595e00610d5287a907ae8c6ea617e1f0963f2d9a27dec3755f0c21b
- 09 R 39817d5f4c007d1c5a23c43801ce8053a496c8dc8128206a1d922b18391630c4
- root 6f30ab76c502e6fdbf521332f3276ac7be6f3257b3b7533d495e652304447c47