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 - BUTUAN CITY DEO Award a ₱1.9M contract to TABADA CONSTRUCTION AND SUPPLIESNational agencies
Transaction hash:
9099720d6db2e94381eefd8c3774b2337ba2841e188038eeffb24719ffd66b1c
Status:
Included and unchanged
Block:
#2,637 3,376 blocks after it
Position in block:
Transaction 156 of 279
Award day:
Jan 15, 2016 (10 yrs 9 mo ago)
Value:
₱1,918,594.64
Project:
15ND0101
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 #2,637 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 2016 Locally Funded Projects", i.e. the FY2016 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 - BUTUAN CITY DEO awarded it to TABADA CONSTRUCTION AND SUPPLIES on 2016-01-15.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 15ND0101: 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 2016-04-04). 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 9099720d6d…d66b1cnow …
- 2. Block Merkle root changedstored 7971e95a51…2c215bnow …
- 3. Block #2637 hash changedstored b7b084989c…5c6d17now …
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 278 records. Each step hashes the current value together with the sibling shown.
- leaf 9099720d6db2e94381eefd8c3774b2337ba2841e188038eeffb24719ffd66b1c
- 01 R 918cb6d28d17ec3ab68be937564c97819d5d6537cb4b72167dc2c4b3aebc4fd6
- 02 R faff6aa35c75d818532a58789919e39215711e0963346716509d1134b88eb411
- 03 L ee804861d92a0219e60e35f5e664791e7e70f3771ba17cb59a4a5495131ec06d
- 04 L 99fa2a22a2a3f7a8f18ba5b682e8b6973943ef4d353d9a230a3854966fc1634e
- 05 L cc1e2605a00744535cc252be1cf25c63e732de0fc85ec72cc44e97b1d1491519
- 06 R b55d201591e0ae249d21f9733bcb7237e2903dce1a07dca316f66460e6c2536d
- 07 R d9a58b574a0d206f908f2b228a07e74bb858fcdaaf7a1f7c3f660da33312882b
- 08 L b7f38c1b7ef6264bef6662953b15372900fb15c2dd549260c259d9b34c81ee8f
- 09 R df1b34d9e374b4ec0e4e84e8d02bf9915bbd18975aafe73ffb5c4fcca765e345
- root 7971e95a51c40eef4f1077e3c652d7ea45a32f5fb2816c74f43ef602fa2c215b