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 PUBLIC WORKS AND HIGHWAYS - REGION XII Award a ₱113.4M contract to GEMMA CONSTRUCTION SUPPLY INC.National agencies
Transaction hash:
c3dec1daabc5a80b00ee880e4686a7ed3fcf0eedd32c497245daaa357b051e6a
Status:
Included and unchanged
Block:
#2,664 3,349 blocks after it
Position in block:
Transaction 208 of 264
Award day:
Feb 16, 2016 (10 yrs 8 mo ago)
Value:
₱113,374,612.97
Project:
Construction Project
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 #2,664 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 PUBLIC WORKS AND HIGHWAYS - REGION XII awarded it to GEMMA CONSTRUCTION SUPPLY INC. on 2016-02-16.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 c3dec1daab…051e6anow …
- 2. Block Merkle root changedstored d9d46cb569…d39ff4now …
- 3. Block #2664 hash changedstored 79ce45cbb8…783fffnow …
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 263 records. Each step hashes the current value together with the sibling shown.
- leaf c3dec1daabc5a80b00ee880e4686a7ed3fcf0eedd32c497245daaa357b051e6a
- 01 R c475ab9a9fa88a733d41d2310c487db481cab505fa2211f16fd8d2c7868bb4a5
- 02 R 575d86a772ba1e8da7fbb7c49178e21829450763a333655a004d5563ec1352cd
- 03 R d1d9cbeed0b115c21972faf11a301cfb590fa2f1f515ba489ab505f81d8ab1cb
- 04 R 12afb94f745120545bbdb38d3f634e6dc53fae12d76e0a4bb460ba6c2e475a32
- 05 L d07a197560fde24889743ee8f6082777168e2e859f980968115f7b071d12c69f
- 06 R 80e2cec5c9798d810fe7bf0d9db5a55e92c971e81fbf5058e1c04754260a9d66
- 07 L d595586405414d385d9e95a2016e4c732df595b07705bb522c5d0a84eee3d2f6
- 08 L 214e6b0d9faef2616ab4bbfb30e8b460e01116f7a47d12df7a1580aa0d9178be
- 09 R fdd3f557ee174bd83b8e27b9a21d38ab7c104ef24683de0beac92fd51b1cbf76
- root d9d46cb56997bba2f6bd2e715cb0142c40c6a9fde89e265a3f62d79d40d39ff4