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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 - MT. PROVINCE I DEO Award a ₱2.9M contract to OLSIM CONSTRUCTIONNational agencies

Transaction hash:
93c3babc8bc5c494ceefa5481a2b4c9c86354bda2f586ab845c39352db6f158a
Status:
Included and unchanged
Block:
#4,000 2,013 blocks after it
Position in block:
Transaction 146 of 267
Award day:
Jan 20, 2020 (6 yrs 9 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 #4,000 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 2020 LP", i.e. the FY2020 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 - MT. PROVINCE I DEO awarded it to OLSIM CONSTRUCTION on 2020-01-20.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 20PI0066: 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 2020-06-22). 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   93c3babc8b…6f158anow      …
  2. 2. Block Merkle root changed
    stored   c2b8b7b286…543b9cnow      …
  3. 3. Block #4000 hash changed
    stored   53e57cf3e6…a50334now      …
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 266 records. Each step hashes the current value together with the sibling shown.

  1. leaf  93c3babc8bc5c494ceefa5481a2b4c9c86354bda2f586ab845c39352db6f158a
  2. 01 R 93dbd3b470a4b3a637b8a0159029bb951f4c3191ef4ab111e44272c2aca2fb43
  3. 02 L 19f830b6c03fc4612dd25ed3c91090eb9a40870d4218accc9955dbc1861da4ad
  4. 03 R 1705c43dc949a285b3daf3dd94be35114070d119dc6a53a13dcad81a60c7c68c
  5. 04 R 13c768c2454a525d1201aa97951427701474bfe6dcc7e8c8f9e7b99544d258b9
  6. 05 L 23366c3c9cae21519bf958ef29b98b884add1d4a36f18eb59e6bd916447d673b
  7. 06 R bdb19b54d72c84fcf0faad297dcd6fb38aed4b456d65c431a6350732b588b23a
  8. 07 R 33318f8f824ad2e1092a7ad6fc2732de180d2f090b1df24546ad2b5946560b3d
  9. 08 L d27199b7504680169e1a733fa90397eefb05e22663e9d84dbf504b297b49d89c
  10. 09 R 8acffa906b031d0215374fa585cae72ec619e75874bd98767da3d33b906a6338
  11. root  c2b8b7b2866c0d462fcc23c4afadf0dcdd7fcf6626034f438de57cfe89543b9c