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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 - IFUGAO Award a ₱15.1M contract to PAULA MAE BUHONG CONSTRUCTIONNational agencies

Transaction hash:
cbbcd8cae4858fb5473ff5f3c6926375463832adb27f29ffc414a51f0f3635cd
Status:
Included and unchanged
Block:
#3,491 2,522 blocks after it
Position in block:
Transaction 317 of 399
Award day:
Jul 30, 2018 (8 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 #3,491 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 "Outside Infra - PAMANA 2018". 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 - IFUGAO awarded it to PAULA MAE BUHONG CONSTRUCTION on 2018-07-30.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18PG0069: 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 2019-04-29). 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   cbbcd8cae4…3635cdnow      …
  2. 2. Block Merkle root changed
    stored   4f399b2d77…2e0b0cnow      …
  3. 3. Block #3491 hash changed
    stored   88a8ee424d…916522now      …
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 398 records. Each step hashes the current value together with the sibling shown.

  1. leaf  cbbcd8cae4858fb5473ff5f3c6926375463832adb27f29ffc414a51f0f3635cd
  2. 01 L cb208c09a1365f6b457d1fb54b3dd604044e679ad7a277ed87db12fd6a2f13f8
  3. 02 R 3ea61b3c3ff26a57cdef5ada03a078adeb3321d5fa3515cc1b898f2290aaf289
  4. 03 L bfd6c7ada416879fd3e7391fec867ba067d53859a96175dd1f2c94cf9d9440d8
  5. 04 L 45bcd0036d520a4cf4d7f82103094fe7c76b550ee620740d18e741f61c6cf5d9
  6. 05 L 6acaf97c10565cc6d1bf521620ef91685c54ed9a206dcd6b1ee43f5de15b2e04
  7. 06 L 3faf0c1f50b6d0421c7a206d674e5ffeadf64bf996c6ba5f265516c75adac358
  8. 07 R e43d2b1d0383d2a1aa87e888ff4f4c4999f39190722ebdb208d8f69d0ba1eb29
  9. 08 R 07638dfa07bfe906d68abcf566de7d4234b6f8fdf6217be0f44533964a3dc235
  10. 09 L 592a5cc9bf32f25e10d87837d3e73b6bcd7c00d480f5c87e084609f910c0bfeb
  11. root  4f399b2d77c82fa4be22641b7f1c799c507cbf685a15407ac10e1d55ae2e0b0c