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 - LA UNION 2ND ED Award a ₱1.4M contract to E. E. MADAYAG CONSTRUCTIONNational agencies
Transaction hash:
73cd55faae5666f9ea5c6e794cae5f0d28fa9404ef983714428b4cf1ac1d9d82
Status:
Included and unchanged
Block:
#3,012 3,001 blocks after it
Position in block:
Transaction 80 of 180
Award day:
Mar 10, 2017 (9 yrs 8 mo ago)
Value:
₱1,416,154.32
Project:
17AF0048
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 #3,012 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 "Outside Infra - GAA 2016 DOH HFEP", 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LA UNION 2ND ED awarded it to E. E. MADAYAG CONSTRUCTION on 2017-03-10.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 17AF0048: 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 2017-05-24). 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 73cd55faae…1d9d82now …
- 2. Block Merkle root changedstored f58767d3f4…9242b5now …
- 3. Block #3012 hash changedstored 4408ded2fc…49c0c9now …
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 179 records. Each step hashes the current value together with the sibling shown.
- leaf 73cd55faae5666f9ea5c6e794cae5f0d28fa9404ef983714428b4cf1ac1d9d82
- 01 R 73e34957743c973e6b2d690315a7d7b432dc3822a8cedcda56a4f826823add19
- 02 R e3d08d5ad7078d1cbf67c6e05be2272ee11841b4dafa019fc15db4066d65e52b
- 03 R 2ff01558c122974aa6163b79bea0811cb2305d35c67ead4663dcce66858f731d
- 04 R 9c013e884b666d23c3a719b6e5742a223bc2fe364e3d7f55cf31f0c83b09554c
- 05 L 059dac586f7abcbf7f90344670db657595fb496361b37f1234d173f6061ad4d3
- 06 R d941ead3be9b69db309aaeafb737fa87a08eee8c7cef8dd9bd1df4a3a2907d1c
- 07 L 416befab607b354644b51e3622b68a3f4a416bf7d929e9f66fb8781ad4d7597b
- 08 R eedb54c577501331dc23a70e1c1b8dca3b6c20c6a57e06472f2640123456a890
- root f58767d3f4bd6ceccce469b231cda1d4bbc4f16783eeeddee6224562919242b5