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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 - DAVAO DEL SUR 2ND Award a ₱489.0K contract to JJHAK CONSTRUCTIONNational agencies

Transaction hash:
63ba5e9beb56f68ebd0261d595038a1745a3d7a8bd14da65e2638987624648df
Status:
Included and unchanged
Block:
#3,432 2,581 blocks after it
Position in block:
Transaction 273 of 688
Award day:
May 29, 2018 (8 yrs 5 mo ago)
Value:
₱488,975.97
Project:
18LE0060,NOA,RESO,NTP,CONTRACT

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 #3,432 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 - DAVAO DEL SUR 2ND awarded it to JJHAK CONSTRUCTION on 2018-05-29.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18LE0060: 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 2018-07-24). 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   63ba5e9beb…4648dfnow      …
  2. 2. Block Merkle root changed
    stored   2636eb644b…b5071bnow      …
  3. 3. Block #3432 hash changed
    stored   046f8939d3…ce0e15now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (10 steps)

How this one record is tied to the block's Merkle root, without needing the other 687 records. Each step hashes the current value together with the sibling shown.

  1. leaf  63ba5e9beb56f68ebd0261d595038a1745a3d7a8bd14da65e2638987624648df
  2. 01 L 62d037ecdb9455f992ce75f53a2d0080aa459252a3f0fdd1104317bbbfbf4ab7
  3. 02 R a5600df5ebd8435b01f06d25270066b90654b7905ec2634537006d7dc3f027b1
  4. 03 R 0f7c23157468be127d0fa58e8f607dce7c0e84c445097cd712530e443c8525af
  5. 04 R 587e94dc6de4a2a7c8eef1108fc1eb8f4f0bf77cc29aeaacf2d0a5eaee9b50a3
  6. 05 L 6612bda73379f02781f829ded44052d0653e3705e228a35b85fa629b7136c467
  7. 06 R bcde199b9deb91b097da5b8d08322812d63e95d33c6ca5218a0206505e37fe6d
  8. 07 R d1693c50124a6a37672a8c695c31a1d047ec1d070cccbeb238aab6fab2042a97
  9. 08 R dace51c5e2d0f5dbb5a8ca5776c42b0ce5bbc0aaeb9895244cdb664bb4143a14
  10. 09 L fdf5aa9ffddbe462395eac7fc6e73d2cf298b0610cc4986d93d867f9bda0d1dd
  11. 10 R 305795088a2e94ced1605a250ac82b4754a705cd74d7f4ca85f7c9ae06c822f5
  12. root  2636eb644b41f026d0db0548258fde2c61875aabb05963fb9b9f348a25b5071b