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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 2ND DEO Award a ₱1.8M contract to YZK BUILDERSNational agencies

Transaction hash:
b04cdf4a7b38d4200fd2dc830e4d02407cf6836af8cfd14016124f8d74e8b722
Status:
Included and unchanged
Block:
#3,512 2,501 blocks after it
Position in block:
Transaction 151 of 220
Award day:
Aug 22, 2018 (8 yrs 2 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 #3,512 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 2018 LP", i.e. the FY2018 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 2018-08-22.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18BF0133: 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 2018-11-05). 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   b04cdf4a7b…e8b722now      …
  2. 2. Block Merkle root changed
    stored   c998438631…d4c71bnow      …
  3. 3. Block #3512 hash changed
    stored   fab538e1f0…c0c822now      …
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 219 records. Each step hashes the current value together with the sibling shown.

  1. leaf  b04cdf4a7b38d4200fd2dc830e4d02407cf6836af8cfd14016124f8d74e8b722
  2. 01 L afaa735d27e1ee9f243c88356150887d4be652d3219666442afe5c6c268f98de
  3. 02 L 677bc474503393e62cd7a4de5bb1e57dd071e25e5fffcd50f21e271debeefa30
  4. 03 L 1e43f432ccdca25405135c268f34bc78a6ae1a0515a84f646aa786492263c615
  5. 04 R 0526311bf4c101999b58406aea25a5e45573def9e97933e514449cfcd287a416
  6. 05 L 7c62ce25ca66212aad63df519beeb45e9325c25ed4ce3ae147eb0a126d674ecf
  7. 06 R 9d253c20280f9a6253a3c42250be6bbcbd55098bbc865c22e6f83b1dbe3470ca
  8. 07 R e9c4400e701b17658af8aa48c70a2acbe649aaa104a11d98306564542882c727
  9. 08 L ab83a992fadb3aa212130bcc653f3d0d32427d0561e27a5c817f6fa9bb3cb327
  10. root  c9984386315c60f9db1e3334d9dd38c3248726e9e4217d9efea088da7ed4c71b