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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 - NORTH COTABATO 2ND Award a ₱4.9M contract to CARLSON CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:
8d896f6ef072a4dcdae0a1c17bda5892dc36be5dd606fe213e9dbfad3a427ff9
Status:
Included and unchanged
Block:
#4,676 1,337 blocks after it
Position in block:
Transaction 437 of 798
Award day:
Dec 31, 2021 (4 yrs 10 mo 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 #4,676 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 - NORTH COTABATO 2ND awarded it to CARLSON CONSTRUCTION AND SUPPLY on 2021-12-31.
    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   8d896f6ef0…427ff9now      …
  2. 2. Block Merkle root changed
    stored   e2a179648a…215c3anow      …
  3. 3. Block #4676 hash changed
    stored   ed19b5e47b…1ab905now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (10 steps)

How this one record is tied to the block's Merkle root, without needing the other 797 records. Each step hashes the current value together with the sibling shown.

  1. leaf  8d896f6ef072a4dcdae0a1c17bda5892dc36be5dd606fe213e9dbfad3a427ff9
  2. 01 L 8d5a7b09f4f74001cf3aefed073c377373fd3001a17ad9d8c89c1064ac88fb76
  3. 02 R b612533a50e48cd5ee96ae20880c82d043276eeb09803b5662b61f9da6a7f372
  4. 03 L 92295e0a438f55205bd87aa2a781573fe05ada0c7349be0a72eb55e4818de163
  5. 04 R dcec8ac0af98a9b5f640bcf855aeb4848f37324c1886c9a3305f2fd3d3a78695
  6. 05 L a148d5bc62445f5b3688fe654c08da391d9798d6fa2dd4e6354797d8a827dfbb
  7. 06 L ce81bc098697e7ab7116368c68d1b03093ff394cc663ab54bd78922df5504538
  8. 07 R 65dbaac336595942856e36e4111aa74b86f894f2bef23e9720b2eeb90c2dfc14
  9. 08 L 8f7c4cb4d8d45074c44b96934aa417ac3c6125d9bc5ae41452119f1df329edb4
  10. 09 L 1dfcd45119204b0eb76c4e70c1f734cc641af3eefecdb2644f7ccf3b72b29bb2
  11. 10 R 3b0a316bdefd4dbb8ad73cc58771509f7e3975493b511d11382130b851c07448
  12. root  e2a179648a6589df661534bb5271a23f726a67490558beb17a0727841d215c3a