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 EDUCATION- DIVISION OF SURIGAO DEL SUR Award a ₱18.9M contract to TWINA BUILDERS AND SUPPLYNational agencies
Transaction hash:
7b7dd06fdc9cec9ec6566e393fb5413ee2eaa2049871f18c5c3db8ac1ca5f7a1
Status:
Included and unchanged
Block:
#2,605 3,408 blocks after it
Position in block:
Transaction 84 of 168
Award day:
Dec 14, 2015 (10 yrs 11 mo ago)
Value:
₱18,911,874.49
Project:
Construction Projects
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 #2,605 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 EDUCATION- DIVISION OF SURIGAO DEL SUR awarded it to TWINA BUILDERS AND SUPPLY on 2015-12-14.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 7b7dd06fdc…a5f7a1now …
- 2. Block Merkle root changedstored a838cfc2de…68c532now …
- 3. Block #2605 hash changedstored 879fa02e02…eb5588now …
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 167 records. Each step hashes the current value together with the sibling shown.
- leaf 7b7dd06fdc9cec9ec6566e393fb5413ee2eaa2049871f18c5c3db8ac1ca5f7a1
- 01 R 7c02de5b88a0571b95bff332074a6556247509259365af36ba9fcacba00c3c8a
- 02 R fdaf161df22ced6f6ce0cc46a81a0a353733d70d6c62225dc722b19e0e0b4822
- 03 L 2945198ab0ad51dcd91399d6f7c0ba3db598ea3a5183d0abf2721078c2574e9c
- 04 R 29b90709ecd71a8be0f326a319b77c8450abe4e21e4d955cc0b0011340d20b6e
- 05 L 374d4d2cbebd1feeeebe9c8188ecaa0dc6929338ad87a3f1d21a4c7250c7d816
- 06 R 79916bfaa07829f3d453a8e72eee3c11c4eadd1563d06a4b54ba28fdb777f7a2
- 07 L cb321667999472bb3722c3ec50fb0ffd377a7f06336410cbd15f96ccce38633a
- 08 R fbaee3f7c09ac7bfdbf7d383859d64b08f635142faa903e3e0805492f2eb0254
- root a838cfc2de7f23e0193ae73df5482571207c28294e136a21de0f6f350168c532