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-CAMARINES SUR 2ND DE Award a ₱474.4K contract to PHIL MANNA CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
de9d3776df99bb8008908d3469569a6c31c24257f19c2fe4fe85d4c2432866d9
Status:
Included and unchanged
Block:
#1,588 4,425 blocks after it
Position in block:
Transaction 50 of 58
Award day:
Oct 17, 2012 (14 yrs ago)
Value:
₱474,399.00
Project:
Contract I.D. 12FE0052-Repair of Two Classroom School Bldg. (BLSB & DOST Bldg.) Pili NHS ( Capital ), Pili, Camarines Sur
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 #1,588 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-CAMARINES SUR 2ND DE awarded it to PHIL MANNA CONSTRUCTION AND SUPPLY on 2012-10-17.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 de9d3776df…2866d9now …
- 2. Block Merkle root changedstored 47c2bad9e1…fc2358now …
- 3. Block #1588 hash changedstored c17945b8a9…947a3bnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 57 records. Each step hashes the current value together with the sibling shown.
- leaf de9d3776df99bb8008908d3469569a6c31c24257f19c2fe4fe85d4c2432866d9
- 01 R dfdcfdef965d6e435d4361e6823924bb377b04cba12c26f6366c02a076786287
- 02 L 34293e852af7c1ba4de47ec7efedbaafbf0856b0986c0124ff82f6aa1a967fc6
- 03 R f6cf48b7b7114dc37e32af9d524c83712de154035e02e1b86270ee66beba9ccf
- 04 R 7bef5e147ff312dfc75a4a35cada76d154a07672fdc535bda02fc8a83f5a29e5
- 05 L c9648f5f7f1d977b886f6101db4198f78aad27cfec6e03a26e33a39ddc632b5c
- 06 L 0c6852d4b543769f06e62a8c42c3cb891cda497215a7d34339b22f21d3bda5c7
- root 47c2bad9e1f44343e179bc93d3f99cb615446db50fa3e14d4ad962e38bfc2358