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 - ZAMBOANGA DEL NORT Award a ₱3.6M contract to SEVERS CONSTRUCTION & SUPPLIES & REALTY DEVELOPMENTNational agencies
Transaction hash:
9a30ce70bc40c19a0d1c1e474f42a6463dba84be7a95aa6e00c9f9158e141e62
Status:
Included and unchanged
Block:
#3,908 2,105 blocks after it
Position in block:
Transaction 121 of 209
Award day:
Oct 16, 2019 (7 yrs ago)
Value:
₱3,603,020.11
Project:
19JC0074
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 #3,908 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 CSSP", 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 - ZAMBOANGA DEL NORT awarded it to SEVERS CONSTRUCTION & SUPPLIES & REALTY DEVELOPMENT on 2019-10-16.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 19JC0074: 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 2020-04-25). 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 9a30ce70bc…141e62now …
- 2. Block Merkle root changedstored 24736c5b7c…770228now …
- 3. Block #3908 hash changedstored 8b780b9c60…62160fnow …
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 208 records. Each step hashes the current value together with the sibling shown.
- leaf 9a30ce70bc40c19a0d1c1e474f42a6463dba84be7a95aa6e00c9f9158e141e62
- 01 L 9970cc31b03f71c2a938302116e35e0e8dae4ae4a1405a9fc6b7f92726cf758e
- 02 R a0ab0415a5855cb5d7f884ab4d4f11cc9eeb89826af19b6ae853d5f2f6992dcd
- 03 R 7573d8aca0c4db1aa6535541b9fbbd0a14209a83e5150e2fd34fe56c15a3e1fa
- 04 L e76b6ffa3484e8f53c4b59e1e04ccbe3b3a1eb8af2e021dee9a29b3ea4608479
- 05 L 5c56f27bb99f66c400598a39f551d01b01fc0c89eeb9fe767b89c6bec4fdbc09
- 06 L 2c4ff790ec80b1392e61bc0ecfbcb6765aaa56048ddfb78f3177431db5aaa03c
- 07 L 590713b84a4c4211787569a804b89b4725fd3824759aaa771ab98423f66c9706
- 08 R 3648ecf1dd97f37558a6b4f67637ae3aec14f35d86b5fa98bd884b6f8d84aa95
- root 24736c5b7cbbed6a73b44df1b8137b88d7695761bb755b7d9d1f2fa11b770228