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 - COTAB Award a ₱4.6M contract to BAMEC DEVELOPERSNational agencies
Transaction hash:
eec7c334a73fceccfb322473bb2c5168a5c4b5f6d9585ebee6736854f250a260
Status:
Included and unchanged
Block:
#3,626 2,387 blocks after it
Position in block:
Transaction 419 of 447
Award day:
Dec 20, 2018 (7 yrs 10 mo ago)
Value:
₱4,584,429.62
Project:
Contract ID17MA0058
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 #3,626 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)DPWH lists the funding source as "Regular Infra - GAA 2017 LFP", i.e. the FY2017 GAA. The exact UACS line is not given.Partly
- 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 - COTAB awarded it to BAMEC DEVELOPERS on 2018-12-20.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 17MA0058: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2018-06-02). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 eec7c334a7…50a260now …
- 2. Block Merkle root changedstored 9fb47e9bb2…c8d651now …
- 3. Block #3626 hash changedstored a11e1dc59a…3bb6d2now …
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 446 records. Each step hashes the current value together with the sibling shown.
- leaf eec7c334a73fceccfb322473bb2c5168a5c4b5f6d9585ebee6736854f250a260
- 01 L ed1447f634fed13dbf99b58e3eb34de15165b83df3315cf23ed6159afc5d12b5
- 02 L cf9f26a7a41a4415704996f86de2e7c9e1c459a7812c4394ee1a73165dd2cc70
- 03 R 237c9a9826798fd0dd146f79646bdbc7df43b7d0c4d1ce9e36cb3998770a0a6c
- 04 R 3cd10c327c1cdafa70a07c18f891a85f477759032e6d720cd5e76459449cd36c
- 05 R 0b12107239cc4f2cae4c2d5e6585608a1c88c45ea34ab614c8be6ef6b9db3ead
- 06 L fb961680965e5037bfb8974aef17a18bf9e87f5c77c25b98c5f104e507e3d5f5
- 07 R 0495d005e1e0579ac16f5a346e0d87d59973ae9603ef877a8d8e79a811521c8a
- 08 L 87bd659268ccce1b9d1d40d1c4e78f92af2f104b01d133e5cf406e6d61d60278
- 09 L b20b5baf299a2c90c8e8ed3e6f4c926f895701ddeffcccaf7d5390422e380ba9
- root 9fb47e9bb24386e0ed3c12490434a52fdb7ad3f12fcdba09388ce2fc15c8d651