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 - ILOCOS NORTE 1ST D Award a ₱19.1M contract to KATHA BUILDERS & SUPPLIES INC.National agencies
Transaction hash:
df7d0771daf2fd76045a8065a89b952c784815a29b74571bc2b53afc545228d6
Status:
Included and unchanged
Block:
#5,465 548 blocks after it
Position in block:
Transaction 416 of 461
Award day:
Apr 5, 2024 (2 yrs 7 mo ago)
Value:
₱19,105,623.42
Project:
24AA0410
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 #5,465 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 - GAA 2024 DA FMR", 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 - ILOCOS NORTE 1ST D awarded it to KATHA BUILDERS & SUPPLIES INC. on 2024-04-05.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 24AA0410: On-Going, 72.48% 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)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 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 df7d0771da…5228d6now …
- 2. Block Merkle root changedstored af1673c2e5…9fefa6now …
- 3. Block #5465 hash changedstored 7fef96c5d8…c826d6now …
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 460 records. Each step hashes the current value together with the sibling shown.
- leaf df7d0771daf2fd76045a8065a89b952c784815a29b74571bc2b53afc545228d6
- 01 R e170073c609e3f0c74bb615a88c35199b80f17ff1bf86de687df10a05c69a294
- 02 R 3278b1fcd8b3727ff59769e1bcf92c60532059978e47c413b97066e0a55ec32a
- 03 R b5780a9f22e6c9fff6fa555cb77dc028090d3488609e948d02549d2b1c047572
- 04 R 29e58df3754997a0055666b241bd737e4ab7d5d676849b26c958e7bd38bb41c4
- 05 R 6164bf17054726a750fcfcbbfdd6aaf67e7a701c12a02251f13c215caae38ec0
- 06 L 6cd620f7b9a5c8c151e564955fcfe58d604d5c8e70068787560bb0659064b3b2
- 07 R 8c85d0152b8deaf7db68203b42f941bb13af22ea8f2c67844cbf4721342ce9a2
- 08 L 938954573a0e92b948bb935aff98112ea380f09ae9e8ecbf93e41bd6326c56ea
- 09 L b24a18e7a16af7c270dc7905ed7b3a5f3fbbe18c7c4e5b4ed5bd385cdf03634e
- root af1673c2e5b363586a552b796272ea468446ab7e6ddfb093d50c24e8eb9fefa6