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
DPWH, AURORA DISTRICT ENGINEERING OFFICE Award a ₱2.9M contract to VANMARVIL CONSTRUCTIONNational agencies
Transaction hash:
2c04fb67837cd2f292575a192a25863e2a0c024cb0f2e00ec789a1f15745934c
Status:
Included and unchanged
Block:
#2,678 3,335 blocks after it
Position in block:
Transaction 42 of 264
Award day:
Mar 2, 2016 (10 yrs 8 mo ago)
Value:
₱2,850,020.34
Project:
16CN0017
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 #2,678 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 2016 Locally Funded Projects", i.e. the FY2016 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)DPWH, AURORA DISTRICT ENGINEERING OFFICE awarded it to VANMARVIL CONSTRUCTION on 2016-03-02.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 16CN0017: 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 2016-04-29). 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 2c04fb6783…45934cnow …
- 2. Block Merkle root changedstored f17ee5b1c2…189b92now …
- 3. Block #2678 hash changedstored 1b1a5d3e9b…7fc749now …
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 2c04fb67837cd2f292575a192a25863e2a0c024cb0f2e00ec789a1f15745934c
- 01 R 2c3906b614fd1cf3caa42576a765803797f0881411512a59383488c1b4d8ba72
- 02 L f6ba85eef67949b89c1fe5c107b8c85a83ee21f7182acbeabb0d1010c9a6fbb7
- 03 R 8ad485774ebddf8eceb10593d416a0e069971253efd5459e8303b322e3fbd4a9
- 04 L dc735a118296967ed279088fcd91e935038e43b9b80123239ff7b1d4277c56ac
- 05 R 4ba852e619593b2632e72f75e9b5c12eca042efc61348e3aae4595e5c8f0bb8a
- 06 L c5f40b1a525fad207204726fb3dfd8e77b8c563834a8d3b39fccd3e73591080c
- 07 R f180e89d4b082b00d8ea19c9a07940b264a109e66bc229b4668de723867474b8
- 08 R a4fe07b3cb1fcd5140147fb4de9e5ba260217df2e4b266b7534fc94a0762c8a3
- 09 R c5bc0a9f7569ca42d02355a3e37b640c18bc014e9624cd840742f29db15814fb
- root f17ee5b1c27a0f6c97163d027f25b08325aa61b59eb1421d46c752387f189b92