Skip to content
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 - LA UNION 1ST ED Award a ₱1.9M contract to E. E. MADAYAG CONSTRUCTIONNational agencies

Transaction hash:
75e92fe0fa85748d4f71074d60275863795683b671e26eeda4b1590334b38cf2
Status:
Included and unchanged
Block:
#2,643 3,370 blocks after it
Position in block:
Transaction 211 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 - LA UNION 1ST ED awarded it to E. E. MADAYAG CONSTRUCTION on 2016-01-21.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 16AE0026: 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 2016-03-15). 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   75e92fe0fa…b38cf2now      …
  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  75e92fe0fa85748d4f71074d60275863795683b671e26eeda4b1590334b38cf2
  2. 01 L 75b439fa25f3f65a11704f470e3c3c4fabd3857017a1265900815b05a9117640
  3. 02 L b902b2010c6faf644db49329b20bc2e033430d3638945016adfa5405eb03d8d4
  4. 03 R 3bf072c363dc96210bbbee3b00b4b4eec92dd2ecf6a12b0b33ab9e1474024e4b
  5. 04 R 6c3f8d421d169bc4e0577b96d182b3c827c95de852ccfca54358346641e4b810
  6. 05 L f768d838a7ae1575fa1bcb5768560812f305ebc69ed931a255e2322a7d47c241
  7. 06 R ea2e1688f14ae57cc2214b57cfda41a7559cb386e88e5764869789a883bc0624
  8. 07 L 8b2c84aab56df42607e947a7ddb8979279678acced9cbad614e58db43976338b
  9. 08 L 2765adf864876fccba60e473a11356d372c1fdd1183b74d6b92dc68689342fff
  10. 09 R eff35ef47c35eb4bc3d4429c4a44d454a199275d94495390e8c74511bae9e991
  11. root  ec3da843dbb749ae7e48fe304b52561a80fa847ec7a39dc2afb2c50a77a01ea9