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 - REGION XI Award a ₱46.9M contract to TKS BUILDERS & SUPPLIESNational agencies
Transaction hash:
1f4ea1847a4090951566a67e6a68c9f2fe40424b096dc7996a950cd8e40f48e4
Status:
Included and unchanged
Block:
#4,676 1,337 blocks after it
Position in block:
Transaction 98 of 798
Award day:
Dec 31, 2021 (4 yrs 10 mo ago)
Value:
₱46,947,155.09
Project:
21L00145 ROA, NOA, Contract & Notice to Proceed
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 #4,676 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 - REGION XI awarded it to TKS BUILDERS & SUPPLIES on 2021-12-31.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21L00145: 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 2024-03-28). 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 1f4ea1847a…0f48e4now …
- 2. Block Merkle root changedstored e2a179648a…215c3anow …
- 3. Block #4676 hash changedstored ed19b5e47b…1ab905now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 797 records. Each step hashes the current value together with the sibling shown.
- leaf 1f4ea1847a4090951566a67e6a68c9f2fe40424b096dc7996a950cd8e40f48e4
- 01 R 1f9f3277ec32be524cf266b7de59a25341f34a53ac0d01b932706368079c08aa
- 02 L 76f0e15848fec0d18eebde22424c4c9d2febe783c36e2c3a6cdc4d53e282613a
- 03 R a69e4ee5c457604058fde46c6906f77e6ecbcafbe9504d7c57b5217f88498f71
- 04 R 99358bb411fc44ea2fd4835bd1b80ab39e1b128ab107cc7e84550094ffd6acb9
- 05 R 1bd4672b9cb4072e7af3ad75559f3c55deedb2e89078f554c5ff1cf6280b0216
- 06 L aa15957ebff33f7b1918986ddaf0e612804ff0ab491494db673479a5d54827f6
- 07 L 1684eb55c311652bd8c0c40d7ecd4f80ae1736906ab546647279bfe8799ada15
- 08 R 286e57ca81de2650439f12ea839744ffd00dab90f431abcc284858ab59547919
- 09 R e17f98533c110239913a65031437a157cd1eb8ae07d2888e10f46f442fd8e36b
- 10 R 3b0a316bdefd4dbb8ad73cc58771509f7e3975493b511d11382130b851c07448
- root e2a179648a6589df661534bb5271a23f726a67490558beb17a0727841d215c3a