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 - LAGUNA 1ST ED Award a ₱4.8M contract to J.B. ALARCON ENTERPRISESNational agencies
Transaction hash:
a1b8ea711f4fb21ea5d0731ae12df188e701df2a0a53f20ddc7c5f9588fdeb7d
Status:
Included and unchanged
Block:
#4,235 1,778 blocks after it
Position in block:
Transaction 129 of 197
Award day:
Sep 28, 2020 (6 yrs 1 mo ago)
Value:
₱4,797,624.00
Project:
Construction of Retaining Wall along NIA Road, Br
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 #4,235 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 2020 LP", i.e. the FY2020 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 - LAGUNA 1ST ED awarded it to J.B. ALARCON ENTERPRISES on 2020-09-28.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20DH0072: 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 2021-04-06). 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 a1b8ea711f…fdeb7dnow …
- 2. Block Merkle root changedstored 5f360433e3…c624cfnow …
- 3. Block #4235 hash changedstored 0d79d0aaef…44ea7bnow …
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 196 records. Each step hashes the current value together with the sibling shown.
- leaf a1b8ea711f4fb21ea5d0731ae12df188e701df2a0a53f20ddc7c5f9588fdeb7d
- 01 L a033e553a4d612ea7745e043d4dcf1ccbcc63bf6c59314a7c5944cb91a64bf9d
- 02 R 66417b91e26630d9e6966b8be00aaff30889ce11f6484360da80f6f45c50f7d4
- 03 R 73d05a4e861a1fce556560ab3f6d917f6f8b2069a9ad8464303cc474304f9531
- 04 R 9ed867ef937c030e66baed132d9ab2e063060d283515b001cb04d1ed146e485a
- 05 R 7fef1911c189b8d46fce4622918c7a892740552aa931e5ef63ffd5f624f291e2
- 06 R 1687edc0d6324934ba39dfb2f7fe3afbdb90e80d39588e6e957f0b127d1dee4f
- 07 R 2fae6ab12ab3b0af7e3049b36a3bec31c8ad550fcdd5bebc9a02d587184c3281
- 08 L 537906b86a912386b859c39703a320cc2877eebaae30d7ed87423bae47738a50
- root 5f360433e3dcec674409fbbbedb8b6b0be542e9219ae1aae66d9f79707c624cf