Skip to content
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 2ND DEO Award a ₱18.9M contract to YZK BUILDERSNational agencies

Transaction hash:
86b7a26fa65ef31aee5730d714930669b15d5584e2aca1f3dfc16db9b66623a3
Status:
Included and unchanged
Block:
#3,824 2,189 blocks after it
Position in block:
Transaction 159 of 332
Award day:
Jul 19, 2019 (7 yrs 3 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 #3,824 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)
    DPWH lists the funding source as "Regular Infra - GAA 2019 OO-1", i.e. the FY2019 GAA. The exact UACS line is not given.
    Partly
  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 2ND DEO awarded it to YZK BUILDERS on 2019-07-19.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 19BF0104: Completed, 100% physical progress.
    Found
  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)
    DPWH marks the contract "Completed" (end 2019-12-10). The certificate itself is not published.
    Partly
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

2 of 8 documents found, 2 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   86b7a26fa6…6623a3now      …
  2. 2. Block Merkle root changed
    stored   8f8a6e4587…333dfcnow      …
  3. 3. Block #3824 hash changed
    stored   469c39ee87…a768c6now      …
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 331 records. Each step hashes the current value together with the sibling shown.

  1. leaf  86b7a26fa65ef31aee5730d714930669b15d5584e2aca1f3dfc16db9b66623a3
  2. 01 L 84532e1b083edc4c9e890aff2a3fcbee501ff3235eddc8342fb90c934c38619c
  3. 02 L c0f32076a7cd4f1f45f382a2b16c82e65968f6bebb6b146b2bcaa3ab162bc1a1
  4. 03 L 291b78eb3c48d64c850ca8bd8f80e2f45b7053c63e8f778479a5ed5ef9d2ee30
  5. 04 L 8291190074a966b20ac35027166476b88330b8184f70801623e84c0495f5e954
  6. 05 L caca4c6efd6e56ace833c952d4f8a15cf13fc0630966f0134ebc698c36f2e728
  7. 06 R eb153bc0c60e84eb8bdc1914f7ea19a4ab8bf7f4c4f825b4646e5fa823f8ddc8
  8. 07 R 874dd4e6348b788f582c44580cb5705283ae4202d4459910a5214025baabe0cf
  9. 08 L 7f6d93dbb030d3a69c094f595958dc7585910791445088a6bf4651d8db7f6bcd
  10. 09 R c137eb0333f89041846f44f75a334fa8dcc488204ee8849d260a735c9885acb4
  11. root  8f8a6e4587c15d807a2edf59af1dab76bb782987d490de96c163ea5492333dfc