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 - DINAGAT ISLANDS DI Award a ₱71.5M contract to CARTESIAN BUILDERS CORPORATIONNational agencies
Transaction hash:
b30ec1be68d8e50e2e398aef506fbe9c9d56d1ccb361db0d6bb8da6d911010c4
Status:
Included and unchanged
Block:
#5,416 597 blocks after it
Position in block:
Transaction 291 of 409
Award day:
Feb 14, 2024 (2 yrs 8 mo ago)
Value:
₱71,484,788.50
Project:
24NE0030
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 #5,416 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 2024 OO-2", i.e. the FY2024 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 - DINAGAT ISLANDS DI awarded it to CARTESIAN BUILDERS CORPORATION on 2024-02-14.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 24NE0030: 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 2024-10-30). 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 b30ec1be68…1010c4now …
- 2. Block Merkle root changedstored 007b7fae81…b3b779now …
- 3. Block #5416 hash changedstored bf2c6ddb6f…2b59adnow …
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 408 records. Each step hashes the current value together with the sibling shown.
- leaf b30ec1be68d8e50e2e398aef506fbe9c9d56d1ccb361db0d6bb8da6d911010c4
- 01 L b2c0f2dd31c1e95d0baf0f5c0b46b138d919cf772535fefc23a1525e9cce9359
- 02 L 3f8e4a15f03d493582355198031f434cc47eb623cdf810f5929132bb959b5803
- 03 R 0cdd1ec0b0b99de41fa6a44bc72405c7d499c8bea6bfbfb8dcb0b8fc283d543a
- 04 R 67e0ff98e3d5aa095e5c26e738b1aede77c2004b0dfb9dbb05c59260308dfa83
- 05 R d16de14c3f2882d74163b2bbc8546146a18795b3c22d54e045822818f9565efc
- 06 L db98d4340c0628bd476dab59978df332671864a16503408b50a937e34e9cfc82
- 07 R b6fc9817d114ab102981fa11f5b91b28245915594ab8782b0259a9b3e2e43a91
- 08 R c5c4de38028aee190279df2e609e2ecee91bb48e1b71b56dfa759a02ede7896d
- 09 L 4bedeabaf873676998b6b67d083b304a1547cc573578c2fc39b2cc5f34a1d850
- root 007b7fae811cfd46d0c9b142d9641995b0b5253f1db86fa7ecc9cdf9abb3b779