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 - DAVAO DEL SUR DIST Award a ₱1.3M contract to NLC CONSTRUCTION AND SUPPLIESNational agencies
Transaction hash:
ed92c842e02613dcd53fd5a515bc06b3203cf8c8a3e318738cdb79bd3fc7c399
Status:
Included and unchanged
Block:
#4,722 1,291 blocks after it
Position in block:
Transaction 448 of 489
Award day:
Feb 17, 2022 (4 yrs 8 mo ago)
Value:
₱1,299,627.82
Project:
22LD0002-NOA, NTP & Contract
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 #4,722 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 2022 CSSP", i.e. the FY2022 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 - DAVAO DEL SUR DIST awarded it to NLC CONSTRUCTION AND SUPPLIES on 2022-02-17.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22LD0002: 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 2022-03-27). 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 ed92c842e0…c7c399now …
- 2. Block Merkle root changedstored d4ec4dd85c…ca2f3anow …
- 3. Block #4722 hash changedstored 02a480d6c9…616b26now …
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 488 records. Each step hashes the current value together with the sibling shown.
- leaf ed92c842e02613dcd53fd5a515bc06b3203cf8c8a3e318738cdb79bd3fc7c399
- 01 R ee59411cc17bdbc37657fa07d39cf3098ab1b26db9d4d5686e98342d02dd2626
- 02 R 30518a3071592e4bce7cd6bae57d8e3287401628f0ab8bcbfcf988400f87e824
- 03 R 02e2d9946d2f0b9f659e3f2bcbc604212bdf5a2b37e834b932a7ee4c7f143c88
- 04 R af2d8e30a0b90943b11b3b8fe39fd43aac88d09bfd5244e1ed655d5242b13654
- 05 R d65a30b84d758142211e126bef1c4a4952340a981260ff44db0c4ea073715de7
- 06 R aa8c7d5fa55ba1a5649ad64a97617b5f85d954f6450e4c7681ee04e463da1b88
- 07 L ced8476c79ffc35eb86a925670e81cfc7cab71e76f1301d05ef64a6da6ddc2fe
- 08 L 00d589e4771b63e62ad8f1db5094557851d282e9032fb6b077d2d757512d2e86
- 09 L 58dcf044d5bdb75ba146b2b29cbcfd41df048375b7462f5869654889d419b3f3
- root d4ec4dd85c513d5e52295c4fe0d423d90a34ada233b42165a76e4de98fca2f3a