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 ₱1.2M contract to NORTHLANDER CONSTRUCTIONNational agencies
Transaction hash:
4b2feb793ce7f15b69ae96556ae96c5f540b2ef382bdfd7c5b07a306fa1147d6
Status:
Included and unchanged
Block:
#4,203 1,810 blocks after it
Position in block:
Transaction 104 of 325
Award day:
Aug 25, 2020 (6 yrs 2 mo ago)
Value:
₱1,169,661.22
Project:
20AA0307
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 #4,203 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 LP", 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 - ILOCOS NORTE 1ST D awarded it to NORTHLANDER CONSTRUCTION on 2020-08-25.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20AA0307: 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 2020-11-05). 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 4b2feb793c…1147d6now …
- 2. Block Merkle root changedstored ffde5f1ce9…313f20now …
- 3. Block #4203 hash changedstored b8d0659a75…9c234enow …
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 324 records. Each step hashes the current value together with the sibling shown.
- leaf 4b2feb793ce7f15b69ae96556ae96c5f540b2ef382bdfd7c5b07a306fa1147d6
- 01 R 4c349aa2dfc84e8a962b1a413caf8d3d8ecd6c4252df59b95f7af50d9e6dd3b4
- 02 R 5756c16436c89da958aa02705ba1cb3bf51f04b0b62a1e4fd7a3826e9ff8e12c
- 03 R 1c775501e25692a8673cbb159897772eeff6476216dd6b536a194b33ba51a35a
- 04 L 4c3766f469056984d66478983f4c101668dfd11cfe7590d1054f238b566ca76d
- 05 R bbd3e1e21dd2e4fbb75a544975ab95eb97307168296c45ad072e10ccb43ac4e0
- 06 L 9d852157ccb5ba2dc758f3e4407dc8e08fdb907eaa661be42cfa4d4a0c2f3c6b
- 07 L 4318f8d5e95bfd2e4326ca3e2498ba0959641cae625fb355b5d43d133604d312
- 08 R 1b7e9d1535f999622d60a775f7f47e3dc703b968e16a6fe8fbc5dcb070f7b64c
- 09 R a0c99c7ad43fe52af8e822bcfa247ddde6b91f7786f1e8e28c2d30a24d53efba
- root ffde5f1ce9fc9932103b9c0b0ac32571249a7826627bd80de20ee88925313f20