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 - SOUTH COTABATO 1S Award a ₱1.8M contract to FREDEN CONSTRUCTIONNational agencies
Transaction hash:
dd0bdd09e3c75f87f9896d408ec2aab3af754b5c0ad34d3c77971279d66557e7
Status:
Included and unchanged
Block:
#4,184 1,829 blocks after it
Position in block:
Transaction 150 of 184
Award day:
Aug 5, 2020 (6 yrs 3 mo ago)
Value:
₱1,847,000.00
Project:
20MB0155 CATEGORY 10 PAVEMENT MAINTENANCE
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 #4,184 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)The award does not say which budget line pays for it.Not published
- 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 - SOUTH COTABATO 1S awarded it to FREDEN CONSTRUCTION on 2020-08-05.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 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)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 dd0bdd09e3…6557e7now …
- 2. Block Merkle root changedstored d0f34f74e4…528b64now …
- 3. Block #4184 hash changedstored 547eb28017…bf8843now …
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 183 records. Each step hashes the current value together with the sibling shown.
- leaf dd0bdd09e3c75f87f9896d408ec2aab3af754b5c0ad34d3c77971279d66557e7
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- 02 L 6e3be7df270a9622241b32b198dd6e3df659339bcc05a84adfdb04c40a7e8f59
- 03 L d9a9a29fb9f34a46dea827529e174ab1a21a04494dddc2374eb1bbf647471e43
- 04 R 1efc52bcc5e2fba1c5c5bbac8c6225b08445046d04da03b49c01cb1b934048a7
- 05 L b71f0c92b313d4e547e41db60831d3ff43da6d09a393348556e9915dba8f33fc
- 06 R 30c55472821b2fced4bb07dcae8dabd8678d897403f7c2b21c1ac3ccddc6131a
- 07 R 2e053658b107e61d9cd623e10cc0d74f25f9a7ce2b947c82b45039ae9b59a2fe
- 08 L b831319b224d73c693df315e2b300d350c78bda2876abb064da488fa68d6c4f9
- root d0f34f74e4661c525787a2e53b5288aa572c15bb13f06edc4082c27bdd528b64