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:
d30e6154fc353f2f3f9eb8933c04a66e7d4a99c3f266e818ffa49269eb37b781
Status:
Included and unchanged
Block:
#2,373 3,640 blocks after it
Position in block:
Transaction 117 of 143
Award day:
Apr 8, 2015 (11 yrs 7 mo ago)
Value:
₱1,907,275.23
Project:
Civil Works, 15AE0037

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 #2,373 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)
    The award does not say which budget line pays for it.
    Not published
  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 2015-04-08.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    No matching DPWH contract record (only DPWH contracts are listed with progress).
    Not published
  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)
    No completion certificate published.
    Not published
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

1 of 8 documents found, 0 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   d30e6154fc…37b781now      …
  2. 2. Block Merkle root changed
    stored   b02f2d058e…10940enow      …
  3. 3. Block #2373 hash changed
    stored   aa492cdf8c…cb6fc8now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 142 records. Each step hashes the current value together with the sibling shown.

  1. leaf  d30e6154fc353f2f3f9eb8933c04a66e7d4a99c3f266e818ffa49269eb37b781
  2. 01 L d0b993b72c709c9cb8a58365bcc7ad8207eda493ab7c94d70f01532d8bb72e1c
  3. 02 R 8681f4b38823eab276caacc2b5869368982d018b7f5bcb7a4d3ab38ceb537439
  4. 03 L f31d096f6de4d844a75708a13fbcf573680a1097124b17c75b1de807082c431b
  5. 04 R 477e4471de20dfd486efd143aa8ed4f1c984cacec08ad72ad322840feb58881e
  6. 05 L b0f225c67ac391c39df6dcc863fd21515827c2956e4c4b8f0afd2b664301ae44
  7. 06 L e287304798326420b3cca225952619925be98917dd03e46775ecd012c47b6370
  8. 07 L 58c6bf83dd48145be712ca7af2b6af637c12bb62880ae3e6d2e78b5c81fa2723
  9. 08 R cb51086e60c6342949b6fd1fe13826a44de87f8106236cc2f637fe799dc619b8
  10. root  b02f2d058e1f575f1be063e978020e2f2f2260662c943eb0bb36d6606310940e