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 (METRO MANILA 3RD ED Award a ₱28.3M contract to DSA PRIME BUILDERS CORPORATIONNational agencies
Transaction hash:
5be5b524d6df6aaa656a7d3ea263787565c3b982ea93cd270379919e1a91f3c9
Status:
Included and unchanged
Block:
#5,312 701 blocks after it
Position in block:
Transaction 75 of 198
Award day:
Oct 24, 2023 (3 yrs ago)
Value:
₱28,286,409.76
Project:
23OD0248
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 #5,312 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 "Outside Infra - Unprogrammed Appropriations 2023". 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 (METRO MANILA 3RD ED awarded it to DSA PRIME BUILDERS CORPORATION on 2023-10-24.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23OD0248: 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 2024-09-30). 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 5be5b524d6…91f3c9now …
- 2. Block Merkle root changedstored 86f0d7ccb9…d191e5now …
- 3. Block #5312 hash changedstored 82d5d1a4e5…5a3173now …
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 197 records. Each step hashes the current value together with the sibling shown.
- leaf 5be5b524d6df6aaa656a7d3ea263787565c3b982ea93cd270379919e1a91f3c9
- 01 L 5a41c77f1cf2ff4fc93aea8a4986c19adadea14b4ad5a001d3ddcfff80ce71c6
- 02 L 572c69f13cd84667ad88cbf93e37d192e77ea709cdc33020bd40cf66928bca9a
- 03 R 3881ea51e25eb1579a414da5e0d2f0ed34ee5a9a914ef8b8caa0ce46a7113932
- 04 L 1c326d39b1981998162971ab13a6216f4b05bf6cd068a98ae614db2bb6245ece
- 05 R c2f5d404d938ae5cc02ef93925c68ce32ca38d35413e151d7ce552b5cde3319d
- 06 R 599c748bb8f2c3e5293990c33cbde9d6840be9e1fefd58dd821f243d8dd2b5d6
- 07 L dba5cf70b1c7517afac2edadebc933c7f3337ebbe5037988354b97646af1b4e7
- 08 R 90d2ee1660a21aed188d08ca816db1f31774651f0a7b1bdc81bf45525359390a
- root 86f0d7ccb9fc6d24ad022a75a1c4471a948eb9ca9806ff124968b77dc4d191e5