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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 - REGION I Award a ₱9.4M contract to ALPHATEC CHEMICAL CORP.National agencies

Transaction hash:
457e2ac52ef2ffeaa33bc0cf193d40b7d0e570efdde8e413d0c35bf7bd4ab305
Status:
Included and unchanged
Block:
#5,199 814 blocks after it
Position in block:
Transaction 101 of 412
Award day:
Jun 29, 2023 (3 yrs 4 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 #5,199 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 - REGION I awarded it to ALPHATEC CHEMICAL CORP. on 2023-06-29.
    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   457e2ac52e…4ab305now      …
  2. 2. Block Merkle root changed
    stored   414c603427…91cdeanow      …
  3. 3. Block #5199 hash changed
    stored   e505bb599d…f9e1a3now      …
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 411 records. Each step hashes the current value together with the sibling shown.

  1. leaf  457e2ac52ef2ffeaa33bc0cf193d40b7d0e570efdde8e413d0c35bf7bd4ab305
  2. 01 L 43fe0e442f38b68de8120e0ac6cbfd48c53b6d845628bc5933cb6417ba427403
  3. 02 R 1300372376fc948f6e9e0cb40295313462a642f28e5f89dbf965f634b6805170
  4. 03 L 51de5d13c96de205f13b0cbd93e34747415a7eb62e8919e888f934dfa2271de1
  5. 04 R a951440ada38db4bf0b8d73482967ea8286368ad7b2847b911243d11ada5382a
  6. 05 R ea21dbbfd0b1d3d7c22f0d203c40f6dee524699901136269dc959240590bc4bf
  7. 06 L 1cd836d0282cc1fcc48aa3fa1eea0ad70f9d2804293e3a41e0ef323d9e60b8d3
  8. 07 L f821c08e14ce94f82a6a5143679b702c9479b161c045753af664f952a31db799
  9. 08 R 2e986cf60d9345fe1ee38bf2fb07314dd510027b8acc2b586699df608d7b8afb
  10. 09 R 4a8797a822247e20b81faa86f9dc8f467eb024246dbd2529437b4eed16c39e50
  11. root  414c603427cdbf06d267d49e054f19acbea69808b2a6b98abe665d956491cdea