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 - NORTH MANILA DEO Award a ₱69.3M contract to PRECIOUS CONSTRUCTIONNational agencies
Transaction hash:
8343fdb7a573e400e7ff3e6464b5c6e32aa1d433c3aa80f7ef5cd62db7618229
Status:
Included and unchanged
Block:
#4,386 1,627 blocks after it
Position in block:
Transaction 165 of 309
Award day:
Mar 10, 2021 (5 yrs 8 mo ago)
Value:
₱69,267,696.26
Project:
Construction Projects
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 #4,386 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 2021 LP", i.e. the FY2021 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 - NORTH MANILA DEO awarded it to PRECIOUS CONSTRUCTION on 2021-03-10.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21OE0027: 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 2022-12-03). 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 8343fdb7a5…618229now …
- 2. Block Merkle root changedstored decd4c4844…88ebd4now …
- 3. Block #4386 hash changedstored 5641f2df16…d4a4c7now …
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 308 records. Each step hashes the current value together with the sibling shown.
- leaf 8343fdb7a573e400e7ff3e6464b5c6e32aa1d433c3aa80f7ef5cd62db7618229
- 01 L 83416311f7518e0c7f02eda96d245464f55a84eab192e38918a06d90a367933c
- 02 R f749169d20acf05c560ef22fdea720d2c2d6614c3010193beb00f54fe93c01d1
- 03 L 37f9534847239218ad663c1651823cf4d08840a08369b3689bb16905ddd3fab4
- 04 R bc588dfe7ef921f5625d2c269e45cb2b64e2ab7f5e36631509d3aa2c4ab9ca98
- 05 R 7813af948bfebbdf064619e772fe3606ed03d73e19ac3b2c77d8c4e08d24dd92
- 06 L 95301dc4ed10968076c4514537a83e00eab64b2f7c1b31c4566f8473132a3ae3
- 07 R 71d3ed8fa2078932ab2aa77545b63aa629556617c1e9a5245cc4e201e816a23a
- 08 L 4a21eeeaf43792c1dea9146bce28f41ec2519339693a59671c6da751251170f0
- 09 R 14707d9b372a4d90f3fdc2712e25ceaecf49836b9106ab1e1e8b5baae922d9e3
- root decd4c4844280178113db631c321aa003a8632c9b38b6e866742d6d4fd88ebd4