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 CITY DEO Award a ₱23.8M contract to R.C. MELGAZO BUILDERSNational agencies
Transaction hash:
4ce5bbe54319a4d9bc74d63f142b1064cdec332d7a4c82af856848f2801225aa
Status:
Included and unchanged
Block:
#4,641 1,372 blocks after it
Position in block:
Transaction 87 of 294
Award day:
Nov 26, 2021 (4 yrs 11 mo ago)
Value:
₱23,762,228.11
Project:
21LB0262
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 #4,641 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 - DAVAO CITY DEO awarded it to R.C. MELGAZO BUILDERS on 2021-11-26.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21LB0262: 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 2022-06-05). 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 4ce5bbe543…1225aanow …
- 2. Block Merkle root changedstored b103d54902…b4a37bnow …
- 3. Block #4641 hash changedstored 111828f48a…2cc4b3now …
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 293 records. Each step hashes the current value together with the sibling shown.
- leaf 4ce5bbe54319a4d9bc74d63f142b1064cdec332d7a4c82af856848f2801225aa
- 01 L 4c0a7cf75e698545538e3acf358a1fd988cb20fa9fc4f4e0c811b27a1b8d6a7c
- 02 L 29a165a559c35f40fbeaf87b9303dc11edf14fa713cf4f483be61a31f1e418fc
- 03 L d60dc5ca82f39b1fa732fbc6f498b4ed1be05009e47cc3f7a60dfa791e8117c0
- 04 R b6f4b1e108e72b6b8488d95b2faf673fa1d08a1523753ee260143d93d9cfb8e3
- 05 L e3006c021d9ba89eb46343609a40b3fe51d3118a6366232a649f3030a985c85e
- 06 R f9cf711cb356296174212e2490bb90a2ee2b88a68888d8e4fa22b0a764af32e6
- 07 L a450a51ca19e7e962b1b9b5de682443ca73c8055843759df57d9bed1153467cd
- 08 R 7131efc4ae0ab811fcea090b0a745aeb34ce83ccc2b2bd49e804ef3e21f5f48f
- 09 R ce8b279e4d75702daa0be691ef549ebed5d9d73ca1d207351e411954055683d6
- root b103d54902d5b2c6c37a535e8a2f361a3fd4bc575f8e823d6e207de476b4a37b