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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 - TARLAC 2ND-DEO Award a ₱22.8M contract to ALPHATEC CHEMICAL CORP.National agencies

Transaction hash:
678312f76f2acdca8bd3573cab2a149c8c26d9bc7209f8a0deba89248f79d113
Status:
Included and unchanged
Block:
#4,010 2,003 blocks after it
Position in block:
Transaction 376 of 908
Award day:
Jan 30, 2020 (6 yrs 9 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 #4,010 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 - TARLAC 2ND-DEO awarded it to ALPHATEC CHEMICAL CORP. on 2020-01-30.
    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   678312f76f…79d113now      …
  2. 2. Block Merkle root changed
    stored   afe2342084…9660f8now      …
  3. 3. Block #4010 hash changed
    stored   16bcfd07d7…28f48fnow      …
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 907 records. Each step hashes the current value together with the sibling shown.

  1. leaf  678312f76f2acdca8bd3573cab2a149c8c26d9bc7209f8a0deba89248f79d113
  2. 01 R 67aa076a5cfec514d2e1fe586b3a23f8dd3e309706d22dd8d6e8cf58f0bddc47
  3. 02 R ae3de992a0ea3cccd72ad9645cc401bc22572331df241cc632c41495abc760da
  4. 03 R 937ef00a208ab05d95a0f978e2c922746fe6a3f38cc036ef174acd2e520e4a20
  5. 04 L 7b453510a9fe9da04bae2820a334ee4b3b52221281a2dfcdb29b19c3a7465c69
  6. 05 L 9264b38671989081483666070c2448aba75be7a51fbaaddc722434f702b116bf
  7. 06 L 7cf1e51496bea2dd3be54dec2310cfba1dba91e0adcc07a303b3c46dfe810b8b
  8. 07 L 5142406bb02f73eda87cd67eeb57ce445e1335d20e3ca5edb714b80e55c4730a
  9. 08 R d3cb635c6d7f753eb2e7895301b25feb8a7a497480f5ffcf10cdd717ce21cdae
  10. 09 L 2c00458ff178d11f3f2bbec485e3c482bbd6200f4fcd2f687c32fbefb9599f97
  11. 10 R 47530608798b118234dd61ed205e2256301d3eb37cf69414ff7badd18aa7240e
  12. root  afe2342084c3f3d1efdc3dc748fd73302c8abc217ab9b8bb651d7480619660f8