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
PROVINCE OF TARLAC Award a ₱997.5K contract to MASTER SON BUILDERSProvinces
Transaction hash:
a86937b91ef94bf91baa4efcc34372e728747ba2933bb0421030b8c56fa36344
Status:
Included and unchanged
Block:
#5,028 985 blocks after it
Position in block:
Transaction 76 of 114
Award day:
Jan 5, 2023 (3 yrs 10 mo ago)
From:
Value:
₱997,500.00
Project:
the Concreting of Road
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 #5,028 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)PROVINCE OF TARLAC awarded it to MASTER SON BUILDERS on 2023-01-05.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)COA's CY2024 audit of Tarlac gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 a86937b91e…a36344now …
- 2. Block Merkle root changedstored 526c5cabb1…3d9ac6now …
- 3. Block #5028 hash changedstored c404d30269…d51dbfnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 113 records. Each step hashes the current value together with the sibling shown.
- leaf a86937b91ef94bf91baa4efcc34372e728747ba2933bb0421030b8c56fa36344
- 01 R a8bcfb90612539ceff504d4dcab40a4843ade7637f17d8603d35ce717b6203a8
- 02 R bddc4645080244fba25988a071b0180ae627ceaf88bd1485474ccf787cc7d31b
- 03 L 449eaabf24ee5dd52bcabdb447f46a721fb09b521d7a0bc66b8ee549d471a636
- 04 L 7b285a7f0c6675c0e4ed40aa79d0d83f73b58334408a7d5bbf95713380f1503e
- 05 R 06fa6ae9e84bf9c898c987f5ec8c8d2ff458c1fa10246f81147649a7cab81c93
- 06 R 88dd4c0f9e4e57b55cd37c9ffa01734e3c4f83d9d54792dca6a7676a73fd6a88
- 07 L bdfc58e5e9c5e660b2b99580517d2f572d28bccd5ebbd49a36d06208c612e077
- root 526c5cabb1638208d49ac5875312c11ec88fc3b1c77a0a1abb42d7eda53d9ac6