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 II Award a ₱34.7M contract to R.D. MANDANAS CONSTRUCTIONNational agencies
Transaction hash:
f9399cf66b7b834e9c92bbdc5a94acab69398042089e489f594a151864db499c
Status:
Included and unchanged
Block:
#4,672 1,341 blocks after it
Position in block:
Transaction 296 of 304
Award day:
Dec 27, 2021 (4 yrs 10 mo ago)
Value:
₱34,664,426.91
Project:
21B00082
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 #4,672 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 2021 LP", i.e. the FY2021 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 II awarded it to R.D. MANDANAS CONSTRUCTION on 2021-12-27.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21B00082: On-Going, 98.6% 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)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 1 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 f9399cf66b…db499cnow …
- 2. Block Merkle root changedstored 271d5c3958…6423fenow …
- 3. Block #4672 hash changedstored 638de31f52…2a849fnow …
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 303 records. Each step hashes the current value together with the sibling shown.
- leaf f9399cf66b7b834e9c92bbdc5a94acab69398042089e489f594a151864db499c
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- 02 R a95a709906d8d1562c8f08ee46c397715fa11b62f4ab883f90f29045c96e59e3
- 03 R a13b9c88c5fcb4caab1d03b351cfb1eecaac9977b33c7337410e8f4fc76396e1
- 04 L 8ea7f90d1df11d8074dd53e6cc93faed1b0e2ac57964beda62e647c37d0473d5
- 05 R 1f8709d80e5a64cd0ad4b489c3bc946b43231c05e9544f027e251240c6374fbb
- 06 L 6896a72e7fca639d0518437e4f2b6ae4e4e3fcfc1aa3cf8b513ae8a5231b9d07
- 07 R 0a96957899aeed3b8e9497e373e8b81102434dca78a29e95f760e9c44fa992ad
- 08 R 5b5c58c3e84d49793674d6b28751dc686c157a2f3935da243485a33377cbd2bb
- 09 L e79a0b787a7e90865eed9d1c2a0f1e3482c8cd743ecb7794f18705f0cba8de43
- root 271d5c3958051b155c378cff055c28e09d242ee6306da6a36a84fea6f16423fe