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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 - NORTHERN SAMAR 1ST Award a ₱5.3M contract to CDU CONSTRUCTIONNational agencies

Transaction hash:
e3ce9970e6771772ef9cf152b520783411e673d97368622d335216283236d383
Status:
Included and unchanged
Block:
#3,634 2,379 blocks after it
Position in block:
Transaction 662 of 730
Award day:
Dec 28, 2018 (7 yrs 10 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 #3,634 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 - Flood Control: Construction - Drainage (e.g., Closed and Open Conduits, Spillway), Roads: Construction - PCCP". 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 - NORTHERN SAMAR 1ST awarded it to CDU CONSTRUCTION on 2018-12-28.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18IH0028: 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 2020-08-07). 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   e3ce9970e6…36d383now      …
  2. 2. Block Merkle root changed
    stored   75def44879…f9616fnow      …
  3. 3. Block #3634 hash changed
    stored   94692ed2c3…34fbc1now      …
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 729 records. Each step hashes the current value together with the sibling shown.

  1. leaf  e3ce9970e6771772ef9cf152b520783411e673d97368622d335216283236d383
  2. 01 R e3d5df4a7ab418ed118af9e2798131a6ac33bf54315082bae8e73b42f27d5ca6
  3. 02 L b34aa72ba110d71d4cc37a1e52bd75b6257a2e4e60fd210ed4fd8b261ff03065
  4. 03 L 07b140c5ef683bf55ed0d80b6abc55571e64c20409fb7e2dabff1009faa215d5
  5. 04 R a2f7206e46322ccaa895ae826da827f4cecd622c081368d6a1bea6b71cbe0ec7
  6. 05 L e9b4ca1d84f38c4b6cf0e3dbf44ad96b49513fffb7a2ea682710c872512b52c8
  7. 06 R 3981773f1be03d67a6fb288563be1085e3f784c441f1273115e5b2381ec129bf
  8. 07 R c54ad1524e71b90684677e82591fc32ad6b6284b4ab66e53f5feb1c406d3ce57
  9. 08 L e4fb9b33db1be8a64fe1a3a7d38cda1582bdc66e63ab070289df12ed0886dd84
  10. 09 R f8491cc529ca0ef091f679412d08ca168e1ad990c6be828548a04cf05203c0dd
  11. 10 L 7043b1b3e0a175e888529466f05edfd528c162a331f44cabbe94907818e0b028
  12. root  75def4487972b97a763296b969099a2c63f0971201928d1f405677d05bf9616f