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 - ISABELA 2ND DEO Award a ₱1.9M contract to SIFFU ROCKS CONSTRUCTIONNational agencies
Transaction hash:
7f79f7f080d67acccd281b687b00d640a25db4c945d2d2fd579c820b4d60b756
Status:
Included and unchanged
Block:
#4,023 1,990 blocks after it
Position in block:
Transaction 136 of 303
Award day:
Feb 13, 2020 (6 yrs 9 mo ago)
Value:
₱1,919,423.36
Project:
20BF0032
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 #4,023 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 - ISABELA 2ND DEO awarded it to SIFFU ROCKS CONSTRUCTION on 2020-02-13.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20BF0032: 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 2020-06-30). 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 7f79f7f080…60b756now …
- 2. Block Merkle root changedstored 4453bf8f29…138c2fnow …
- 3. Block #4023 hash changedstored 18441bd2e7…c24c2enow …
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 302 records. Each step hashes the current value together with the sibling shown.
- leaf 7f79f7f080d67acccd281b687b00d640a25db4c945d2d2fd579c820b4d60b756
- 01 R 809fd2667a1bff0e2f761d9aa61aba35305f78003f6bd4695855b2c8774ede0b
- 02 R 5d1885fbce07703fcb6c386a613d823b47d3deee00177d48ff6c795a211e6b39
- 03 R bf2671e529b8f4638a075bc98074485a2a2b35ef2ca98cd2c432c4c9d315a9c8
- 04 L 0867b76929270b11439bfaa42f858aabd07535e8c9c4079bb0396e47eb3cb764
- 05 R 5032217b18fa7007824a3ac49892cc9e8e8d5783d346df02f29bd10a359b1bdf
- 06 R 0030bbca7971f82a4ed42f58b337ad335cf8a3ea4ce6b6c92470a1362f6ce383
- 07 R 057800292250dd1b76d6091527556e3b41af7ef3dffc6de924abf6d2ac1b1e20
- 08 L bafab1709c68035ece728f6caa9a86218eb6cf17fd1c3d431c7d3f402def4e15
- 09 R a4b261372deb47e802fc335feb3ed2ce1c8cb92f276634cb745c25c8ebb74d73
- root 4453bf8f29d6464f237f6027662c7bdc2d2c2affc47c8d0adca040fd8f138c2f