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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 - ISABELA 1ST DEO Award a ₱8.9M contract to ALPHATEC CHEMICAL CORP.National agencies

Transaction hash:
39d21bef6bb2a2302ff45770a1a47d5ffd00442ba263d1444bff6eb4f62e52e8
Status:
Included and unchanged
Block:
#3,078 2,935 blocks after it
Position in block:
Transaction 31 of 159
Award day:
May 17, 2017 (9 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 #3,078 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 - ISABELA 1ST DEO awarded it to ALPHATEC CHEMICAL CORP. on 2017-05-17.
    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   39d21bef6b…2e52e8now      …
  2. 2. Block Merkle root changed
    stored   b93b50289d…05647bnow      …
  3. 3. Block #3078 hash changed
    stored   67d4f7f351…4ee149now      …
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 158 records. Each step hashes the current value together with the sibling shown.

  1. leaf  39d21bef6bb2a2302ff45770a1a47d5ffd00442ba263d1444bff6eb4f62e52e8
  2. 01 L 3650436b28676f84f53795e29c715d7a05340166bb0c6a1207fc248779fb585e
  3. 02 L 8284662af3f63fca3f5cb7c4091e3b1c12245d0ce9633531398c593aa5ba0541
  4. 03 L ab60a9a5a747cb8dd4d76e83956f13588f3adf4cee9e6ef65ba8350bae9a8b57
  5. 04 L 1d8dc6b1f4bbde1f389eb30d92cfb898b6cb65224ecb32b021d2710b253d3d40
  6. 05 L b7d85a1e8f92c70aabfc146a53cfbd14f3602ac356adfc1eb6fb84dc0bca6f2b
  7. 06 R 9f83ec41e21275b901de953af5639795d1a8a5f97c35f6c1c5f491b76d4364fa
  8. 07 R b0ea42f31263698dcc3dbfe574fc6b69ba1aaf9f16596d26f69dde4a9f0015b7
  9. 08 R ab516b2a2e848ce2735e484b9fb467861825bd8c99b668edfb898ae8a31991b4
  10. root  b93b50289d75a598c3eb8d672d3a4b117ec5fd6262ccf51c1059fb335c05647b