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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 - CAMARINES SUR 2ND Award a ₱3.7M contract to PHIL MANNA CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:
f1c0d4f61dc03f2e84cd5e911a29b622d70587e52abfed675add5567407fefb7
Status:
Included and unchanged
Block:
#3,848 2,165 blocks after it
Position in block:
Transaction 272 of 285
Award day:
Aug 14, 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 #3,848 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 LP", 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 - CAMARINES SUR 2ND awarded it to PHIL MANNA CONSTRUCTION AND SUPPLY on 2019-08-14.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 19FE0069: 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 2019-12-12). 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   f1c0d4f61d…7fefb7now      …
  2. 2. Block Merkle root changed
    stored   c1fd5bf43f…02829bnow      …
  3. 3. Block #3848 hash changed
    stored   e0955bee7b…daae21now      …
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 284 records. Each step hashes the current value together with the sibling shown.

  1. leaf  f1c0d4f61dc03f2e84cd5e911a29b622d70587e52abfed675add5567407fefb7
  2. 01 R f476bebeafd810f0bb81fd6a1590253d3daff08a6d386064fd16435a3c426a94
  3. 02 R 47f97a3b050782ae10ead2e497f0993876bb8988df719189892070e5eef91cfd
  4. 03 R 119429937bf7ebc849563740f85246859ab370aaa80df682c0551a6453f5695f
  5. 04 R db8783f35c2f370ff390ace30499ff3df84805e369360cdcb719f0e4eb049654
  6. 05 L 0aa0bc31876fe93fa738449dd3bb9c4cf0c2eece0f4ee095eea8edfa04da7164
  7. 06 R 94ef2a0a219687653c666f80838b633d701465867ecc5a78e780789bb4826ad2
  8. 07 R 51e3ad3be10252329ee887bc706673c589a4fa3481c846064d38c3608084ed81
  9. 08 R 12202aef0fdc49196b2a73d86ade044cde2c5d1b09de40fd19e2a35298578ba5
  10. 09 L 19303993635a250629b37d80a255989d4162151cc703797a05d2432e4f853edb
  11. root  c1fd5bf43f256c253dd86cd059438631ad4a72dc6913804d6e16986f3d02829b