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 - MALABON-NAVOTAS SD Award a ₱4.8M contract to DOUBLE Z CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
4ce798befeb5f4c7706ccf806c2e824ca1ff67174778e7822f61459fdd871534
Status:
Included and unchanged
Block:
#4,225 1,788 blocks after it
Position in block:
Transaction 45 of 166
Award day:
Sep 18, 2020 (6 yrs 1 mo ago)
Value:
₱4,840,043.20
Project:
20OA0031
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 #4,225 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 - MALABON-NAVOTAS SD awarded it to DOUBLE Z CONSTRUCTION AND SUPPLY on 2020-09-18.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20OA0031: 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 2021-02-11). 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 4ce798befe…871534now …
- 2. Block Merkle root changedstored 3383e23f83…f396f1now …
- 3. Block #4225 hash changedstored b631efa5cf…bb5dd6now …
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 165 records. Each step hashes the current value together with the sibling shown.
- leaf 4ce798befeb5f4c7706ccf806c2e824ca1ff67174778e7822f61459fdd871534
- 01 L 4822b565f679bdbce53feecb374f991ec27ec415bd8b8546b4d38d4f8ecfb461
- 02 R a6ed3a703b99ddc3e43b932531b8c9dace145df49c41d9f1195c8a4644a7f41c
- 03 L 1ee7cb181bb0f91b8e483678121551e3aaaf9e25cef70a45f8069d4a7de631c8
- 04 L 5035e6b273bc4ac99de2cdef634a051b184414b36584c6158506a0242bf49613
- 05 R bc258f5c7b8cb9672d36c48a01dd63974ca5f8b8f9a9c15629b637365f69a8bd
- 06 L 2c263dcaff2e29c086818e9f2ad600aadc36e8c5e8316230f8145e18a6be2c81
- 07 R 5febe08a6f36f227937052ab7dc563cd2fa8669fcce36b212cfe975c0cdbfd3c
- 08 R 141031094adc17f59939864d04649ff8a88b2a08aff59707fe38d3fe7e75aee3
- root 3383e23f836291104beffddd3b23ba61dc645914345e02015cca7426c2f396f1