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FY2026 GAA: ₱6.79T
PisoScan
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

API
Transaction action

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NUEVA VIZCAYA 1ST Award a ₱9.7M contract to JOHN-JANN CONST. AND SUPPLIES CORP.National agencies

Transaction hash:
a2590da9e2d6a8697db571c2ee5911f5061813547ccc73b32b1626add32769da
Status:
Included and unchanged
Block:
#4,734 1,279 blocks after it
Position in block:
Transaction 302 of 481
Award day:
Mar 2, 2022 (4 yrs 8 mo ago)
Value:
₱9,676,128.42
Project:
Local Program-Construction/Repair/Rehabilitation/I

Accountability

Bill Sec. 3 and 19
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 #4,734 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5
  1. 1. Appropriation
    GAA 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. 2. Allotment release
    SARO / allotment · Sec. 5(c)(iii)
    Not published per project. DBM releases SAROs, but not linked to individual contracts.
    Not published
  3. 3. Cash allocation
    Notice of Cash Allocation · Sec. 5(c)(iv)
    Not published per project.
    Not published
  4. 4. Contract award
    Notice of Award (PhilGEPS) · Sec. 5(d)
    DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NUEVA VIZCAYA 1ST awarded it to JOHN-JANN CONST. AND SUPPLIES CORP. on 2022-03-02.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21BI0058: Completed, 100% physical progress.
    Found
  6. 6. Payment
    Disbursement voucher · Sec. 5(c)(viii)
    Not published. No public source shows how much of this contract has been paid.
    Not published
  7. 7. Completion
    Certificate of completion · Sec. 5(d)
    DPWH marks the contract "Completed" (end 2022-06-08). The certificate itself is not published.
    Partly
  8. 8. Audit
    COA 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

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

  1. 1. Record fingerprint changed
    stored   a2590da9e2…2769danow      …
  2. 2. Block Merkle root changed
    stored   e544206e4b…fc3fd0now      …
  3. 3. Block #4734 hash changed
    stored   0b0b7ac827…7cb4aenow      …
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 480 records. Each step hashes the current value together with the sibling shown.

  1. leaf  a2590da9e2d6a8697db571c2ee5911f5061813547ccc73b32b1626add32769da
  2. 01 R a34fb8775bff166d686e8cfb8bbc28684940d1ccb36aecc169867b50dafc7499
  3. 02 L 73cdecd217bf390366c45e4917f10a61f8f1fb103c89c283c973667bf8a84a62
  4. 03 L c9d8a410ded758599cd85429556568c8517c56db36c88eb3e0fd7b2378991760
  5. 04 L 08f3ca6d34f2a6a434ad53861ded6bae0a7ebfc1ea042222caecc753f2d5501b
  6. 05 R a466a1437de7bdd8d6893607e0474556f4378c2ce0e9f87d852acfd4313e1034
  7. 06 L 4f370b9c8362ae7a1d9ef886ca79c0a19e3049605382fa5e11f839e6371bea51
  8. 07 R 731820c9ba133209269f84b65a4a921e1dfd283b5fc68ba25752948e0cd71776
  9. 08 R 88adf02bae5a782251e5d1ca5f36ee6c156a43ea95098b4af60490a7d37e4824
  10. 09 L 41ea9aa7349d8d8f15f0cc8f05db7d572c4d9668a266628ca704f1e21871646e
  11. root  e544206e4bfffbf082d63172168752cdeb7d3b7f5ae9a6064fe8e8c612fc3fd0