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 NUEVA VIZCAYA Award a ₱2.8M contract to EXTREME BUILDERSNational agencies
Transaction hash:
4a0dc515291ab32ccd60d6b88a31a82387d6d24962e13740c36c5fa4984b92a7
Status:
Included and unchanged
Block:
#4,540 1,473 blocks after it
Position in block:
Transaction 83 of 302
Award day:
Aug 16, 2021 (5 yrs 3 mo ago)
Value:
₱2,839,050.07
Project:
Batch 4
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 #4,540 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 NUEVA VIZCAYA awarded it to EXTREME BUILDERS on 2021-08-16.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 4a0dc51529…4b92a7now …
- 2. Block Merkle root changedstored bf912e1928…4a52denow …
- 3. Block #4540 hash changedstored 96c4c7d933…728678now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 301 records. Each step hashes the current value together with the sibling shown.
- leaf 4a0dc515291ab32ccd60d6b88a31a82387d6d24962e13740c36c5fa4984b92a7
- 01 L 49c72b8df69577b2e0ce2342ed02b8c63fb9e501b11482b5d9e4b02fa90de2cd
- 02 L f3de112a439137bb3002099906faed8f61801ca4e1969b2702ab1aa7f4d64b15
- 03 R e5f7b9fa782c5133c39f1526c7d637179e18fca96bd2ac21ba6caf6ddb8a4c93
- 04 R b78542e44ad7e425e3758c7ac5787babc0de1946573eeb014d9299e0693be5fa
- 05 L bd5b9190daa841680a2263675efa69abf279d9e6d01a38d66c72f7a980c7c736
- 06 R 8d01ccd08a4de5c236e5e5a79cb7aaa7aa7fde046c8336d96b1c070cb3103e3c
- 07 L 1135cccf787353b0a055662de1a9a926997861463007c1436e5ecde356c3cf63
- 08 R 17f7ede91c4392cdb96d47844ef01dd653dab1c537b4f402c69f4beae19f966d
- 09 R 8fb4bb85e7c2adb356dcffecf54fec12c7ae744b6e660cfcbc832b6a261db202
- root bf912e1928f973c36eca0a86e4fe8d6d0d0c7d26df6ca9fbb1537a4eba4a52de