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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 - QUEZON 4TH ED Award a ₱4.4M contract to R.A MENDIOLA CONSTRUCTION & DEVELOPERNational agencies

Transaction hash:
d4999937110cf0b52eefa0ce2b1a777385a488ef781c96bdfcac3e199b2ea9cb
Status:
Included and unchanged
Block:
#2,549 3,464 blocks after it
Position in block:
Transaction 160 of 191
Award day:
Oct 16, 2015 (11 yrs ago)

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 #2,549 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)
    The award does not say which budget line pays for it.
    Not published
  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 - QUEZON 4TH ED awarded it to R.A MENDIOLA CONSTRUCTION & DEVELOPER on 2015-10-16.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    No matching DPWH contract record (only DPWH contracts are listed with progress).
    Not published
  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)
    No completion certificate published.
    Not published
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

1 of 8 documents found, 0 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   d499993711…2ea9cbnow      …
  2. 2. Block Merkle root changed
    stored   56606d15ff…9c2adenow      …
  3. 3. Block #2549 hash changed
    stored   592c83659b…b66db6now      …
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 190 records. Each step hashes the current value together with the sibling shown.

  1. leaf  d4999937110cf0b52eefa0ce2b1a777385a488ef781c96bdfcac3e199b2ea9cb
  2. 01 R d6c82b28c353c68112258eba023a837adc6f5cffc35800241d401a1d019475a1
  3. 02 R 3700dbdb113b274aa4d0b14620f778ffca97a60a0589685d36de1080ffe66a78
  4. 03 R ea98ef40cd6a173d5ea6326f4d634a93311b82dc6318f6e85323d751189122da
  5. 04 R 5d1f5498359fc4dbc0afae5c75a37a8c192c3c8f468b07c6fa30e5ea5a4b2467
  6. 05 R 9c5a5e575b77f4c0765c1ca57f4969c9a2e45b12b2e5498bd344156c582c5955
  7. 06 L c0be8caaa0865c7802b659ada2dd62b86f5ec719138d5ef7b137d3c52d5e9509
  8. 07 R cbffe28c2361af38f193cc091faddd8a3c21573c569e8b32a8328d37580c8642
  9. 08 L 05f3b9575f36ce9b2d2f2149a5edab8dd0eb1c31c66f3778743811d632aa6114
  10. root  56606d15ff55e84308a3fc5f8b1b4bfb76071e2aa5c4d5b6133a41d2759c2ade