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 ₱3.0M contract to C.A. CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
3df2fd69f678bb8255ffff860dccad0c9a670a0cdc75bf2a7da369d68d213a36
Status:
Included and unchanged
Block:
#4,541 1,472 blocks after it
Position in block:
Transaction 43 of 182
Award day:
Aug 17, 2021 (5 yrs 2 mo ago)
Value:
₱3,011,964.50
Project:
SCHOOL BUILDING CONSTRUCTION
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 #4,541 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 C.A. CONSTRUCTION AND SUPPLY on 2021-08-17.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 3df2fd69f6…213a36now …
- 2. Block Merkle root changedstored 26a5734180…eec719now …
- 3. Block #4541 hash changedstored 32026f8d61…e45c85now …
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 181 records. Each step hashes the current value together with the sibling shown.
- leaf 3df2fd69f678bb8255ffff860dccad0c9a670a0cdc75bf2a7da369d68d213a36
- 01 L 3db9009ce1422e4a18732c7eef6ba1643c3d752377d150deb07935917e259f59
- 02 L be5c3bbacd3986fbf365a06dcd6608c68952f369fd0e84b73b2516c2a2c0dac2
- 03 R 836d67afc8e0e3fc280a886e0e078f9d27fbf7f1ae9b9c57cd7bc484a7e1eabb
- 04 L f113fb3a0b63af5bb3e32c0aede20ea294a51353cafe41871f1747ef2bd77408
- 05 R 543ad96357f2a055f2efd658ee226d3556ea49bfd3b54794110e86720ea21420
- 06 L 5410de3272a1c3e49843854e3addfde3b390bbcc2403f1cc4305f33cdbcc42ea
- 07 R 685cf9e42015e0b6fee79fa4d877246b3be3dbcadb2b563bfd4a8ebbfcbde6b7
- 08 R 4196b1e7f7e2c5d73885fc43622d97f74b57664d0eab6d81d79b0e9c360bffd6
- root 26a5734180fd873c0f7d8f6cf15a6db43bfc7bc1eef9fc4391261dee08eec719