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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 SARANGANI DISTRICT E Award a ₱1.4M contract to TANGCA CONSTRUCTION CORPORATIONNational agencies

Transaction hash:
c56544c2ed4112e866f2e154b90ec439cfda2ed28f556fc1c7a1f5919ea7917b
Status:
Included and unchanged
Block:
#4,454 1,559 blocks after it
Position in block:
Transaction 169 of 208
Award day:
May 19, 2021 (5 yrs 5 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 #4,454 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 SARANGANI DISTRICT E awarded it to TANGCA CONSTRUCTION CORPORATION on 2021-05-19.
    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   c56544c2ed…a7917bnow      …
  2. 2. Block Merkle root changed
    stored   2af46f1668…7eac57now      …
  3. 3. Block #4454 hash changed
    stored   b0756c86c4…b173danow      …
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 207 records. Each step hashes the current value together with the sibling shown.

  1. leaf  c56544c2ed4112e866f2e154b90ec439cfda2ed28f556fc1c7a1f5919ea7917b
  2. 01 L c476a8d7ab6af140e83b14919df89c581e5d089640b8885820daf01145e6fe7c
  3. 02 R b580c0e026a9531ef03a1b8efd51f55a17390f0600097697605fc7bb41045e2e
  4. 03 R 5d5a8984b40afac0fa1faeaadb13d69046bbb349e6e6e4f99f8408b27c549f38
  5. 04 L 0b22def3fced0dca7a16c246d8add3caed4ed837fe029905b56c3de0a66b5f96
  6. 05 R c35f9a5450bc01c16c3eee405368acd3491c55e758c7f520c27e4902b91bc63d
  7. 06 L 8fa03dbdf25da255a1aba07ee0660a000779057ee930462ddf834e7e17c2859f
  8. 07 R 05f91b29c54f1a0ecbba272c7c74ea56ef10234b3cd42bfa4427ba1d507e206c
  9. 08 L b1b88cc2fa7fc454aa81270b1b99c26ee2ebb6307720476dc74c6446b25fca44
  10. root  2af46f1668b84811fe66c84eb0d031d1d6b9c9208f5f098d70214ed8557eac57