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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 - LANAO DEL NORTE 1S Award a ₱2.6M contract to SAIMAN CONSTRUCTION DEVELOPMENTNational agencies

Transaction hash:
c4a6c7b2de0a71d3d4c6bd2f08b264c8ebfdf55f94a6acd6ba0db34f4377a41c
Status:
Included and unchanged
Block:
#3,233 2,780 blocks after it
Position in block:
Transaction 287 of 368
Award day:
Oct 30, 2017 (9 yrs 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 #3,233 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 - GAA 2017 DepEd BEFF", i.e. the FY2017 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 - LANAO DEL NORTE 1S awarded it to SAIMAN CONSTRUCTION DEVELOPMENT on 2017-10-30.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 17KG0132: 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 2018-04-04). 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   c4a6c7b2de…77a41cnow      …
  2. 2. Block Merkle root changed
    stored   e5dd4b448f…4defc1now      …
  3. 3. Block #3233 hash changed
    stored   23ab93a5ea…dc4fcdnow      …
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 367 records. Each step hashes the current value together with the sibling shown.

  1. leaf  c4a6c7b2de0a71d3d4c6bd2f08b264c8ebfdf55f94a6acd6ba0db34f4377a41c
  2. 01 L c47313938d6b380bfae138f5f063c6c4afd4905adbb3db5de520fbd39d516b6d
  3. 02 L 3829fa5d1566a93476de618876998bf05bb083b1cc0eedfb01250103a7adb454
  4. 03 L 4840de4cc644073f9dc550f63f17db2733c176116e65fa3be5c3a2ddda117dbd
  5. 04 L 0e0eba3520e2fa59ffc93a4193afecb793b7223f3c8094649b34163fe9f42b52
  6. 05 L b5a2ae66b05c7f6d0416de7216c3eddecd5e9860069ed80220f9b3f105560d8d
  7. 06 R 4819821b42db1fee2d0027360a5cf5d73ecf1ef52e43e66759ca929d92ee2b10
  8. 07 R a8670fc34e687e9c4f7490702a9bf924de2721001e757347708eefe1eafc4a8a
  9. 08 R 2a59313437221c73520794785700757a006ec67d0a1b22a37e92eb316df0c8b0
  10. 09 L e83d67e04b51815b24b6809faa5fcbf173d305e44ea21b2da8191eb4242589aa
  11. root  e5dd4b448f4a48ce5b4a9151b5e90dc491faa9611efeb8caef6568e9c44defc1