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 - COMPOSTELA VALLEY Award a ₱1.8M contract to DISEM CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
f9ab6a2a4da84cafbaf787ddaeb82d4003c2aaa87a35e04279cce00ae9146ec6
Status:
Included and unchanged
Block:
#3,907 2,106 blocks after it
Position in block:
Transaction 209 of 213
Award day:
Oct 15, 2019 (7 yrs ago)
Value:
₱1,849,499.03
Project:
19LA0501
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 #3,907 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 2019 LP", i.e. the FY2019 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 - COMPOSTELA VALLEY awarded it to DISEM CONSTRUCTION AND SUPPLY on 2019-10-15.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 19LA0501: 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 2020-01-07). 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 f9ab6a2a4d…146ec6now …
- 2. Block Merkle root changedstored 3ed3a6b089…4b7549now …
- 3. Block #3907 hash changedstored b3bff8fefc…2af60bnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 212 records. Each step hashes the current value together with the sibling shown.
- leaf f9ab6a2a4da84cafbaf787ddaeb82d4003c2aaa87a35e04279cce00ae9146ec6
- 01 L f8057376fd7362bb88a066b55b2eaebcf43f98975ddd973c766423451e3967c0
- 02 R 1b3759eb14403dd81e44de01b0d7aaec223dd371ef33cdb1bd305ac3c44b945b
- 03 R d1c9671c48b12d910849c8b4a9728af0fc41a8a685f85f0a15c672b59232091b
- 04 R 49f54525249022d852f95941b38fa91a26901b60a0e50cb09a149001a1ce3e5f
- 05 L 4912351d202766f1eaa4c3f4b15280e278c5fa38f0f6f76e3b7720553eb15b99
- 06 R fc40375f03296ddff81ea023142815fb16f32b9692aab2c698d6e14bed7d9385
- 07 L 7491f85f457c02a59aa67549d39abb52e835ec28a68262f66a41e4b3cd4cf6d2
- 08 L 205dd5d729e893f1690a7c936fc02f9a0946c6ed7956bb93ec452a01684a01ed
- root 3ed3a6b08961954fa5e89b0a09b7dee327bbade9ebe13bda052958b7054b7549