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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 - TARLAC 2ND-DEO Award a ₱2.8M contract to E.M. MALLARI CONSTRUCTIONNational agencies

Transaction hash:
cd2258c7648cb8564e3d198fe1e72689914292d116fac2828a76c82ecd040a58
Status:
Included and unchanged
Block:
#2,643 3,370 blocks after it
Position in block:
Transaction 356 of 456
Award day:
Jan 21, 2016 (10 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 #2,643 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 2016 Locally Funded Projects", i.e. the FY2016 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 - TARLAC 2ND-DEO awarded it to E.M. MALLARI CONSTRUCTION on 2016-01-21.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 15CK0169: 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 2016-05-04). 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   cd2258c764…040a58now      …
  2. 2. Block Merkle root changed
    stored   ec3da843db…a01ea9now      …
  3. 3. Block #2643 hash changed
    stored   94e2e45fd4…18052cnow      …
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 455 records. Each step hashes the current value together with the sibling shown.

  1. leaf  cd2258c7648cb8564e3d198fe1e72689914292d116fac2828a76c82ecd040a58
  2. 01 R cd5e93017e2607b527b2225ecce0930fc8ee66e91890bda86f5da76401157bd7
  3. 02 R cd520b2605acb546bb0589adc6fb27eaeba88f1117a92c4c936205909265f8e8
  4. 03 L b6cd29e8674bb943d55cbb088f7aa3ae1ffe4a6a18fccaa58b698767198cd068
  5. 04 R 5afa9bb5e59e8a2edb3196f09c8afb4a4acfe2df4e76884cef7e9935d8ad8b50
  6. 05 R 7d405b6974d6d274f89860bcf5913eaf1eeac438f81cf459771f7921a556c95e
  7. 06 L c20a740f02d72b998e84616667fbcbf56a6edafc5754e9869078ee759d56427b
  8. 07 L 6bde97f9c64c2516b8392dcf344a5786fc61dbc6b142b26979a7c45139e2b89a
  9. 08 R c06b2d3cf35d48ed82634aff043431ffe225b0351a5f24971b7a887b1421f5a8
  10. 09 L d3852e2b0941514193ac312f9fd02b9c04c25a5f54bcc76e6a310f7cbc565a82
  11. root  ec3da843dbb749ae7e48fe304b52561a80fa847ec7a39dc2afb2c50a77a01ea9