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
ILOCOS SUR POLYTECHNIC STATE COLLEGE Award a ₱4.9M contract to M.A. TEJADA CONSTRUCTIONNational agencies
Transaction hash:
86f90f404945cfafd74718fd2b97d6282025f43635109603dfef3b2fa5826a1f
Status:
Included and unchanged
Block:
#2,816 3,197 blocks after it
Position in block:
Transaction 96 of 174
Award day:
Aug 8, 2016 (10 yrs 3 mo ago)
Value:
₱4,883,776.24
Project:
CONSTRUCTION OF TECHNOLOGY BUILDING - PHASE II
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 #2,816 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)ILOCOS SUR POLYTECHNIC STATE COLLEGE awarded it to M.A. TEJADA CONSTRUCTION on 2016-08-08.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 86f90f4049…826a1fnow …
- 2. Block Merkle root changedstored 8f860b8f3c…c93697now …
- 3. Block #2816 hash changedstored 982e8c7396…f16be1now …
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 173 records. Each step hashes the current value together with the sibling shown.
- leaf 86f90f404945cfafd74718fd2b97d6282025f43635109603dfef3b2fa5826a1f
- 01 R 878947b8c2b14482a3730a0cdec9a0c8de59393c17b9cb45976c3994f50a3dc2
- 02 R a964a71bed235e1b2d814fcdc82a19fbc0255670102604124fd77e21b91a9bf3
- 03 R 89b263568a80cf468294f60faa56b05972edf837facdb3faeb73d5191048bb31
- 04 R 83bb2817bcb5dd50627eab5db659ce1a4a266120b562b859a3b47255c87a7eff
- 05 R a9c75971bf1e1eb7dcc607905c6807d86b94333c448db5079c422e9a53fdf01c
- 06 L 7c9f4795909818332618565816ad2fcfe75908a7112b7b99dfeb849f242fd085
- 07 L a65b1740b859cbff3856377857bdbc46439e1eea2585712b5c012514c2aa0cea
- 08 R 89edb579da8dccba48db306bdcfc93ab6c35b851181c889b0ef2e5df980228d6
- root 8f860b8f3cf268db789e3167f492b5a1fdd10796536637a52558952e42c93697