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
PROVINCE OF NORTHERN SAMAR Award a ₱7.4M contract to KT CHAN CONSTRUCTIONProvinces
Transaction hash:
09e25d2e98c3f9c90f5b43a8799f57f7f6eb9d00589bf5e66b8e55577c3d3d94
Status:
Included and unchanged
Block:
#5,099 914 blocks after it
Position in block:
Transaction 14 of 417
Award day:
Mar 21, 2023 (3 yrs 7 mo ago)
Value:
₱7,353,863.34
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 #5,099 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)PROVINCE OF NORTHERN SAMAR awarded it to KT CHAN CONSTRUCTION on 2023-03-21.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 Northern Samar 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 09e25d2e98…3d3d94now …
- 2. Block Merkle root changedstored 6a2abd504d…de0e60now …
- 3. Block #5099 hash changedstored 7b1ffabcd9…1b6102now …
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 416 records. Each step hashes the current value together with the sibling shown.
- leaf 09e25d2e98c3f9c90f5b43a8799f57f7f6eb9d00589bf5e66b8e55577c3d3d94
- 01 R 0bfc9ae5277f73ef301db3d014b64b2746016e347618696b5328bb124383f180
- 02 L e5b9401df039bcacd595556b12b5ba85811bb8e6abc3815785710b85dde62d8c
- 03 L c77e78bdad0da7cde4a28a4b7eb054a4641d2eee4938f5a02b8fa94d575d6ee4
- 04 L a8851e9668973f4ad6ec0d55c26aaef731f9f12b824122397cecc29e56bde3d0
- 05 R 9b765620ecb7c523f5554f81722042507d3bc42e0fef6f4856b26f46e663d067
- 06 R a64127d517355d442ecf246643e964ac86d5e7a0c912904ee8f024852324719a
- 07 R 194d5cf5b0e53e2f3d5acd0895ada21d642c165fb0a895491ad02eb37a849d3c
- 08 R d5511cce769d3685a93dd4c51bc0d428dca0db1b222a3706b13db52c6fbe139e
- 09 R 8dcd1f889e1e1fbd288237237145cc36249ea29cd02c7dee49be3671dd1c5e14
- root 6a2abd504db39dc88eb575f7564702b459d70465135560b7c1c1ffd087de0e60