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 ISLAND ENG Award a ₱19.0M contract to NAHARO BUILDERS, INC.National agencies
Transaction hash:
c6bf2e1ca7a2310fecc7a7df0669d2ca001ba00b0069ec30e8d729fc507533c5
Status:
Included and unchanged
Block:
#3,996 2,017 blocks after it
Position in block:
Transaction 117 of 159
Award day:
Jan 15, 2020 (6 yrs 9 mo ago)
Value:
₱19,012,838.08
Project:
20NE0007
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 #3,996 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 2020 OO-2", i.e. the FY2020 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 ISLAND ENG awarded it to NAHARO BUILDERS, INC. on 2020-01-15.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20NE0007: 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 2021-08-05). 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 c6bf2e1ca7…7533c5now …
- 2. Block Merkle root changedstored 16cf7bdfac…d8bb84now …
- 3. Block #3996 hash changedstored 83221888e4…3ffbf5now …
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 158 records. Each step hashes the current value together with the sibling shown.
- leaf c6bf2e1ca7a2310fecc7a7df0669d2ca001ba00b0069ec30e8d729fc507533c5
- 01 L c4c29f40ee07c60b4bd636e18c5530bed3d9c5460eaeab53536b6b4cfc9de291
- 02 R 4a93343fc261362eaf96e7e1e69d14743191e4aad2c6a8db8ce17aec7a654c6c
- 03 L a93328904b5c106de2fec3934a7583e92fad0c52b0df6dc031b2c57906affd3a
- 04 R 5a48e76eebc4a49f515fb63df8d89b8770f2a6161bf7de70272bfd4fde4949dc
- 05 L de967321c007d481b54013be0da6708db3cc3567264a8a29e265e9aeea8f818a
- 06 L 978ac38709097e6451d7086063698abe80a140805e54e454c246494e259bb773
- 07 L cb9bf78a95af3dee99334ec8dd2ca26358c8b4d1e08e0c064ea6b75def46587e
- 08 R 34ec28d4e5e07fb994fe43feaa8e16b304f8e46c8c14541b43e947e671c3bbfb
- root 16cf7bdfac1eaf1b6e238691ba2838ee4029aef167f622dcff0a3dc49bd8bb84