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 LANAO DEL NORTE Award a ₱6.5M contract to SDM VENTURESNational agencies
Transaction hash:
f050dd2cd4f5104fc56c2a49549bf868af19eeb0594e7bf03e4708a628a6aec0
Status:
Included and unchanged
Block:
#3,420 2,593 blocks after it
Position in block:
Transaction 245 of 259
Award day:
May 16, 2018 (8 yrs 5 mo ago)
To:
Value:
₱6,501,515.41
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 #3,420 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 LANAO DEL NORTE awarded it to SDM VENTURES on 2018-05-16.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 f050dd2cd4…a6aec0now …
- 2. Block Merkle root changedstored ae2e766c9b…bb3bf9now …
- 3. Block #3420 hash changedstored 2f046e3e87…2c0cebnow …
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 258 records. Each step hashes the current value together with the sibling shown.
- leaf f050dd2cd4f5104fc56c2a49549bf868af19eeb0594e7bf03e4708a628a6aec0
- 01 L eff0e9728b48953dfbfe0d29a81b2b975c377b18074bca1000edd8c697e4b879
- 02 R fb2a0133bbec9bf7e683e331110ff014eb713c935065cd2b76cb603e0e24dafb
- 03 L ae75cd479fcb4f2671d72dae22efa8b39464861a066574220312e7814ef3a5c3
- 04 R 90955731e01fd5156835c5e8c38416738e718f413504b970f0167d2c9ceb551a
- 05 L 63a1f9ba7b534792afbf03bfac1457664d80cfcdc50e250910a035a7d0cda256
- 06 L 8eb771831e2c87036dee5b529da7f8d74462c8cac471f9860102f617db3120c5
- 07 L 96bf11147b9485e8d6f7dc217f7bf03cd561f85269d2ac0b18fea596b9bcd236
- 08 L affc8a04f13548f3ec92b41da2d62f73ecdc320fd98790d52e0fb6aa92f63605
- 09 R 77eb48a1b6ccfc7f3689817640a65c7a7ea5e0056b8865e0c113b337ee598cb6
- root ae2e766c9b1583b954e2197de94fa44b588c6b7b6fbc7a122ee7db03dfbb3bf9