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 ₱91.3M contract to MARCUS CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
30aa43df0e9f314af3bcdd482f0f854ebb6fe161a3eaa302e1251879b1c28411
Status:
Included and unchanged
Block:
#4,813 1,200 blocks after it
Position in block:
Transaction 46 of 287
Award day:
May 30, 2022 (4 yrs 5 mo ago)
Value:
₱91,267,959.77
Project:
22M00012
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 #4,813 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 2022 OO-1", i.e. the FY2022 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 - REGION XII awarded it to MARCUS CONSTRUCTION & SUPPLY on 2022-05-30.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22M00012: 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 2023-05-10). 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 30aa43df0e…c28411now …
- 2. Block Merkle root changedstored be87cf01bd…ed5eeenow …
- 3. Block #4813 hash changedstored 8630efd1ce…adaed4now …
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 286 records. Each step hashes the current value together with the sibling shown.
- leaf 30aa43df0e9f314af3bcdd482f0f854ebb6fe161a3eaa302e1251879b1c28411
- 01 R 32d3e30426e75b159e89b4bd03e64da642676eac04e6b0c85f0472543589f8a5
- 02 L b92ff57c8d46b2eea42bb513ee94f6222d11e49d58b31ec8ce8a36269b2127ac
- 03 L 8e4c690dfdbeacd634f90323a0d078a0b894354aa7ec73c3cca29115743831e9
- 04 L 5ea9336917b8079923ffc9cf445158b571c9637f5f918b9bd6453aa7a43e9846
- 05 R 3929c0a68c79e5c4e53a3bbb0ef4ddb195fef3ac355aa0e3f0f7bdb8636b8256
- 06 L 712efb4ef5af117facef4417f4449bb759f48261195e91f27006cf790515b98d
- 07 R 848233cc74adbee6878934502c8fe3a3d0269622ad7f39733e59ea387050d8ea
- 08 R d930a1bccd860fb9d56d04007edfec14f7fe441d53650208e98bad5a2925901a
- 09 R 644ef93436a0d39d1ef8e7bed6d945a40db98245a5a57b3ff3a3fa991bf336bc
- root be87cf01bd3c266961b8e1af17dc15c3e8b602b6ff562fd0a6233483f4ed5eee