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 XII Award a ₱9.2M contract to R. SEMILLA CONSTRUCTION AND MARKETINGNational agencies
Transaction hash:
1287e69b4e2bb5ae75ba8adb73dda583762c2147350450c92428b6e71e19cf22
Status:
Included and unchanged
Block:
#1,932 4,081 blocks after it
Position in block:
Transaction 6 of 76
Award day:
Dec 3, 2013 (12 yrs 11 mo ago)
Value:
₱9,232,505.90
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 #1,932 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 XII awarded it to R. SEMILLA CONSTRUCTION AND MARKETING on 2013-12-03.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 1287e69b4e…19cf22now …
- 2. Block Merkle root changedstored 8dd13f3aa2…0e11acnow …
- 3. Block #1932 hash changedstored c2a292074c…ef8c69now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 75 records. Each step hashes the current value together with the sibling shown.
- leaf 1287e69b4e2bb5ae75ba8adb73dda583762c2147350450c92428b6e71e19cf22
- 01 R 13437b3a96437ea4c32a0aab18c329979ed551ca1f38c5f23f903fbe8bdf1af6
- 02 L ce1485d6321cd77e9a85e9bc726cc98ee02f826ac18f8298c52982eee24fb7af
- 03 L 43084305b5809c261d5cb85de93f2367afd69c39b0213ea57b4e37e4af777957
- 04 R 6a3ff7f725259406bc19495dd1e2acef4115d6ee259824f712f9386683d2395c
- 05 R d496a6fb3555a2e226a819f5846cbd6cb226fe98a62bdc0d03d32170d7caa67d
- 06 R 8ba8dcee9e31ef87e3d9f0d8c0c4745941848b47340177bb096165b0117c2a1a
- 07 R 1469c48ae2704eff23ec45834d4266495e44c0bb6e2e93ae7ab2e1fc070ccac8
- root 8dd13f3aa27f72694ec9b2a85c009c922f9f196911f3a3530f649796880e11ac