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
CITY OF VALENCIA, BUKIDNON Award a ₱1.7M contract to MAMAWAG CONSTRUCTIONCities
Transaction hash:
ca624bc6c7b1141ade03790f4dea9e356c00e6bd3ca4ea71a1ad5435f5226880
Status:
Included and unchanged
Block:
#1,779 4,234 blocks after it
Position in block:
Transaction 82 of 106
Award day:
Jun 17, 2013 (13 yrs 4 mo ago)
Value:
₱1,740,920.64
Project:
Construction Project
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 #1,779 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)The award does not say which budget line pays for it.Not published
- 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)CITY OF VALENCIA, BUKIDNON awarded it to MAMAWAG CONSTRUCTION on 2013-06-17.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 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)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)COA's CY2024 audit of City of Valencia gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 ca624bc6c7…226880now …
- 2. Block Merkle root changedstored 6ffca533f4…f4a22bnow …
- 3. Block #1779 hash changedstored 920e3e4669…84fcfdnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 105 records. Each step hashes the current value together with the sibling shown.
- leaf ca624bc6c7b1141ade03790f4dea9e356c00e6bd3ca4ea71a1ad5435f5226880
- 01 R ca72b5ecafd653e762208297aa02ba3b2a5b11c14c3170f1c6c9d3afc9e69735
- 02 L 39a431e32969a2003d778e2e0b4ea14973f51a5aeee0e4241b52db3aeeaa57f6
- 03 R fbf2eed162fdf19d8da936d4dcf9c71c6a9e27ba5250cef7eb8bf391f76be445
- 04 R 7e877c1577d41b0e24c11db7db920fed44ffbe5a37061124b9c89d09daca5524
- 05 L 74f8b9e095e2e8caad6d320e4866a4e379f44c3b1c022fe0b694c860f503d855
- 06 R 9828f7056501d39895542ae27fcae734e5126524e9aeca1994eac337b1651423
- 07 L 821cf3e25097e2ea10f32075e99460e8a1e2bbaaf0244517c1e4eb92fef61fa9
- root 6ffca533f4775dcdcf049320d422d08a604b190eb3a854293d072690a9f4a22b