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 - DAVAO DEL SUR DIST Award a ₱70.2M contract to VICENTE T. LAO CONSTRUCTIONNational agencies
Transaction hash:
d47f648aa2ff1d13e091fea0f706a91f2c247c871ca597240c0957fb7e46af91
Status:
Included and unchanged
Block:
#4,282 1,731 blocks after it
Position in block:
Transaction 283 of 346
Award day:
Nov 16, 2020 (5 yrs 11 mo ago)
Value:
₱70,203,750.00
Project:
20LD0109-NOA, NTP & Contract
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 #4,282 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 2020 LP", 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 - DAVAO DEL SUR DIST awarded it to VICENTE T. LAO CONSTRUCTION on 2020-11-16.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20LD0109: 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 2021-06-09). 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 d47f648aa2…46af91now …
- 2. Block Merkle root changedstored c79ebfa68a…455029now …
- 3. Block #4282 hash changedstored 45156d182c…288081now …
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 345 records. Each step hashes the current value together with the sibling shown.
- leaf d47f648aa2ff1d13e091fea0f706a91f2c247c871ca597240c0957fb7e46af91
- 01 L d441eb0c2b5f39f312074c4f2063f85465199909dd16449ae6dbf1de6cebf602
- 02 L 9f796cf11975dbb1337757fb391c0e6184c2ab74f36315a30a782290163448d3
- 03 R b368fbe2c14293f9acd4e60c07e089ab9f1c9a6418fd26fd9c083357730aa904
- 04 L 8d873e0cbf7f32b5f37af6bcf1ba7b6370a9e4c1eba0b6266b7da7cd97608e4c
- 05 L 61c2a8626a673d4c144ac9075b841e30ae0ad39cd3b8bbf178688408d5fd2663
- 06 R 6d1cdb317f97b599f2da3940714aef4d043277a52a2160b009d61900dfc9a140
- 07 R 758a0195adf7ac470b6b3803bae959dd1cc6532cdee8ed6d93f1554c5928d49c
- 08 R cd44974ea482ef1deb1742f26d72b259652b1b31cd47a7653e28aa11067cfbba
- 09 L 7215ec616d4020b0f3dc3d11e362da78456cd5e9968edc8aaae03493aa9df8a9
- root c79ebfa68a722f5ff00ba9140589ff8ad19c2451a78375bd34e19d6f0c455029