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
BARANGAY SAN VICENTE, LEGASPI CITY Award a ₱40.9K contract to JAN-SHA CONSTRUCTION & SUPPLYBarangays
Transaction hash:
98e6ae25d0c3e2dee554a5a4bd3617707b184e07143b2ae8484d810d2337bc79
Status:
Included and unchanged
Block:
#1,595 4,418 blocks after it
Position in block:
Transaction 29 of 48
Award day:
Oct 25, 2012 (14 yrs ago)
Value:
₱40,862.00
Project:
Construction of drainage canal
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 #1,595 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)BARANGAY SAN VICENTE, LEGASPI CITY awarded it to JAN-SHA CONSTRUCTION & SUPPLY on 2012-10-25.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 98e6ae25d0…37bc79now …
- 2. Block Merkle root changedstored ebbe48b9f8…e474e9now …
- 3. Block #1595 hash changedstored f7f3c8bb95…83f217now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 47 records. Each step hashes the current value together with the sibling shown.
- leaf 98e6ae25d0c3e2dee554a5a4bd3617707b184e07143b2ae8484d810d2337bc79
- 01 L 884d47a61895ddeccd3303f496499247bd6ad0371f26b3b3f2c30de2ad7c6f9d
- 02 R fc42de234260ead857fe5ae97ba55beb4e509c020e40183cc7b8841697090f24
- 03 L 1a67631cdd3a79fe0ea19fe1ad089aa5cea04d0ef9aa00a8d7b6f4d92d557bba
- 04 L 882125ec12ba3fe14de62d4f91de9b85d431de2a2a4db4572d51d96f13c63c52
- 05 L 7f5eec0289b305c0879258197ba2e4341e016640fc1856aded650dde00b603f9
- 06 R ffc41dbbe02553b3c6576cd1b67f8bf0ed4869d9b27a8a497203694c0cc622d4
- root ebbe48b9f82db696313659b1c918be296f36756ca4351bb0f3ecc486dde474e9