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
DPWH - MOUNTAIN PROVINCE SECOND DISTRICT ENGINEERING OFFICE Award a ₱23.7M contract to MG SAMIDAN CONSTRUCTIONNational agencies
Transaction hash:
8abc509cc4c4e25fb66ec140dd76e635902296f009c3a1cbc1746fae407da495
Status:
Included and unchanged
Block:
#4,239 1,774 blocks after it
Position in block:
Transaction 155 of 292
Award day:
Oct 2, 2020 (6 yrs 1 mo ago)
Value:
₱23,652,300.00
Project:
20PM0015
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 #4,239 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 OO-1", 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)DPWH - MOUNTAIN PROVINCE SECOND DISTRICT ENGINEERING OFFICE awarded it to MG SAMIDAN CONSTRUCTION on 2020-10-02.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20PM0015: 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 2021-04-26). 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 8abc509cc4…7da495now …
- 2. Block Merkle root changedstored 0c3d8c06a5…cafbf2now …
- 3. Block #4239 hash changedstored 308fd680ea…2c4846now …
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 291 records. Each step hashes the current value together with the sibling shown.
- leaf 8abc509cc4c4e25fb66ec140dd76e635902296f009c3a1cbc1746fae407da495
- 01 L 8a84d83aec88d4ccad946ee47c7e65d1812fb48e4ce7d84f0e32a02cc1426ee1
- 02 L b4e8962c08680757f67e1248f5a832114bf01ad534cfea497f9fc8ede4679bc9
- 03 R 4727d24ec9571e45065f9e9cd55267adfa54e80e51ae925bcebaba84403cf144
- 04 L 6be82279fdbb0eee4a9e54b826e6a29817b16ff0930c0c3ec1782fc658bd8c92
- 05 L bad878ed0eeb44b6db6f48ab8d7bdbc94bce894539294573b02f5007946fac16
- 06 R a74344a73c6027a1c1ca62876ebeec6e16b59f012309d2a367fed23af7cf337d
- 07 R e07be5e763f6766b0e633089accdbdcc3a17f5ed5964b5d66e8b6c44b0077f7e
- 08 L 3aa8e804c7b37ef30244146bcc1289373cae874180da60c65f6d94832324c76e
- 09 R 7216becf9c054049b00129e958cc3d9f6bb55715ddcee85d8660088c878dd3ce
- root 0c3d8c06a57b7c092a67c1805671f7963af3c1c122a7d1002e76f847cdcafbf2