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 Award a ₱41.9M contract to MAMSAR CONSTRUCTION AND INDUSTRIAL CORPORATIONNational agencies
Transaction hash:
6ba2c41cd3caebb32f58476a2a6705bb9425d34ea0bf4c370cf3dd6a9f00dbd7
Status:
Included and unchanged
Block:
#2,987 3,026 blocks after it
Position in block:
Transaction 96 of 219
Award day:
Feb 10, 2017 (9 yrs 9 mo ago)
Value:
₱41,895,134.11
Project:
16NE0074
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 #2,987 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 2017 LFP", i.e. the FY2017 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 awarded it to MAMSAR CONSTRUCTION AND INDUSTRIAL CORPORATION on 2017-02-10.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 16NE0074: 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 2018-03-18). 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 6ba2c41cd3…00dbd7now …
- 2. Block Merkle root changedstored 84bbd803bb…444fbdnow …
- 3. Block #2987 hash changedstored af7cb8c96c…9abbecnow …
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 218 records. Each step hashes the current value together with the sibling shown.
- leaf 6ba2c41cd3caebb32f58476a2a6705bb9425d34ea0bf4c370cf3dd6a9f00dbd7
- 01 R 6bc43db981da9da591b0582120745b88372fb8f3d05b9313f01f9b349dea91c1
- 02 R a2b7491f3239aa5d42d670c7cbfa189fe810837a9b42a3f1ed823c015c3c807a
- 03 R f40d394cbf3a7b82fe29779c5e505f0ed36e57fb9bdd72c17d804afb477ebd19
- 04 R bfb4f7b42f9fe52f4a132e85709082e372fc2e9dc0ed665796b5b8497c4fc884
- 05 R 3e9f5817807264d985b8da33266c7968bea6673da6d6f1ad112298417157c920
- 06 L 965a287e4be7a43585362f96ff398dab496c47c4048909b35eb1ff72ed41ba04
- 07 L c0069ce73529c9493ad56c3190c36594dc646c10b0b349ab91839e8c7ad0bdaf
- 08 R 90dc2d4956729adf564a3601aabdf0beba4aa38286a0fc5f72e7c40f5ef91bec
- root 84bbd803bb8885157f662815e6f36e363b3f3a8a03423304a5b81a3e53444fbd