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 NORTHERN SAMAR Award a ₱1.9M contract to TOM BUILDERS AND SUPPLYNational agencies
Transaction hash:
12fa1ce3f2e8ab49129b062f3a2db893e4f6dd9ab2a5472e1b522264d84e2b02
Status:
Included and unchanged
Block:
#3,367 2,646 blocks after it
Position in block:
Transaction 28 of 289
Award day:
Mar 20, 2018 (8 yrs 7 mo ago)
Value:
₱1,870,993.80
Project:
REPAIR & REHABILITATION OF SCHOOL BUILDINGS
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 #3,367 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 NORTHERN SAMAR awarded it to TOM BUILDERS AND SUPPLY on 2018-03-20.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 12fa1ce3f2…4e2b02now …
- 2. Block Merkle root changedstored 20523b84ec…a4c954now …
- 3. Block #3367 hash changedstored 357517a58e…d6bb0bnow …
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 288 records. Each step hashes the current value together with the sibling shown.
- leaf 12fa1ce3f2e8ab49129b062f3a2db893e4f6dd9ab2a5472e1b522264d84e2b02
- 01 R 15d2ef675cd732a8267b4c01e6848d6fe692258177a6f4e96eede69b40ae2372
- 02 R b4c808667e511cd1b885bd595926bbe9a98a95a9fb106547310b1cdc124cf676
- 03 L c55241b63ccfe26ecf4471c2d066ab140938f2d07d622ab6db39e4eb0c88cc0a
- 04 L 57a5685013d8c4714ec17509bd2f7994262ae6685a8a4b2444c94a702de06cd0
- 05 L 76ecdca923c9aa0fc865c83de856b6994e50f3bfd133c41c5ff62d9bd891424a
- 06 R 8f5d2c4c176b483bf0e80be3301b396e4c464e0c65cd7fef755345e99f5f8915
- 07 R d7082171f16deac06c8c3b39e75dab64b692a0c4c6673e34285ec62d7246891b
- 08 R a2c15e0bba7987dc1fe47d49f68a3a1e9d8ac7f0f916d0f5cf48403a0b05f2bf
- 09 R b93cd4a4cd3d4fa46bb80ebdaa4b32ccdbd9080258fad05962e14490f27a3010
- root 20523b84ec60fc5521b871b3ad793b967f7af89f21099b75c45e17dd63a4c954