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 - COMPOSTELA VALLEY Award a ₱3.9M contract to SNAS CONSTRUCTION AND SUPPLIESNational agencies
Transaction hash:
8e0eda35320c5b1fbc263d9ba0d665108577dfa52bd3d8685a5b5f4aea3ab2c0
Status:
Included and unchanged
Block:
#4,486 1,527 blocks after it
Position in block:
Transaction 152 of 289
Award day:
Jun 21, 2021 (5 yrs 4 mo ago)
Value:
₱3,880,628.32
Project:
21LA0210
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 #4,486 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 2021 LP", i.e. the FY2021 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 - COMPOSTELA VALLEY awarded it to SNAS CONSTRUCTION AND SUPPLIES on 2021-06-21.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21LA0210: 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 2021-10-31). 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 8e0eda3532…3ab2c0now …
- 2. Block Merkle root changedstored 1dc2adc28b…467ea1now …
- 3. Block #4486 hash changedstored 0f159ebd93…ee9f9anow …
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 288 records. Each step hashes the current value together with the sibling shown.
- leaf 8e0eda35320c5b1fbc263d9ba0d665108577dfa52bd3d8685a5b5f4aea3ab2c0
- 01 R 8fb2f92a193ff0b0115ed22235bdeaa6efa7f0f2066cfce593e77b2db378af68
- 02 R a097653015d5ef4c28f096388874f0382e57d2c64e2b62896235a35d3f27a4ad
- 03 R 64437dbfdf0f356e019ef4f4ce52aee89344f8c9c474f775959d9b187e0daf2f
- 04 L d73b57f9967a13746748f569ef81672962005aefc75343ab88858498965dd5a6
- 05 L a05a4873aaa5472514e274acc9cbd425c51b50e493cecfdb6ce85aadd13a4c0d
- 06 R 2ab901ab1df1900e5bd685cde5f0203fe215639b0c717f4786d8acdd9be5305b
- 07 R 5b10e18eaf5e5c1e4b8d47628feedf8b96a4880603ee2685224148ce6fb9fff0
- 08 L c0f8564fa9fa463b7613b62a2f2b918d6a221d5d10a53046ea3057e1047a7f2b
- 09 R 9ec7caa08db1d0093cffe109b07031b8d00c75b6a6450f3729ccce1d7b02204a
- root 1dc2adc28b82eb303ad02959b0af535a7371a8152fd0848ec6b11eeaad467ea1