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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 - LA UNION 2ND DISTR Award a ₱969.6K contract to E. E. MADAYAG CONSTRUCTIONNational agencies

Transaction hash:
aa67619833d8a5bb3cdd85ce6cd0a45ae6c7b36223f8f049174d0f109feb7383
Status:
Included and unchanged
Block:
#1,850 4,163 blocks after it
Position in block:
Transaction 84 of 141
Award day:
Sep 2, 2013 (13 yrs 2 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 #1,850 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 2ND DISTR awarded it to E. E. MADAYAG CONSTRUCTION on 2013-09-02.
    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   aa67619833…eb7383now      …
  2. 2. Block Merkle root changed
    stored   33c8b44399…ea0b1enow      …
  3. 3. Block #1850 hash changed
    stored   b48b38c359…af827enow      …
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 140 records. Each step hashes the current value together with the sibling shown.

  1. leaf  aa67619833d8a5bb3cdd85ce6cd0a45ae6c7b36223f8f049174d0f109feb7383
  2. 01 R ab0f16d34dec1a3b9b2b1e6c5741ab144ea9809cab3594fcb207b7a26dec4b28
  3. 02 R 173f99e2f93f3a9f03ef85fdcb065b0e18cf0a4b99b7961df9fe82e92ce1bf53
  4. 03 L 8588206aa5a91f9f175d02aaa2b5b75fc7e10171350473781b8e866482d9e21b
  5. 04 R 035db5f3a93233d15dcfeb5761fd8997a68c2070ad62b90099d9918e1e4e6c88
  6. 05 L e119cdd7217208e1c893e402e0fc995ee2411a2215845f84be9b09d27da7b338
  7. 06 R c90bb2d7f8ffec8ec7bb9196dda213fdbd04954415b35bc3b92797eae642d3a7
  8. 07 L e1ff1504d5ff65a7afe6f2bac7dd357e7dab49e7a34529ad0813174e00cfa5ff
  9. 08 R 43acc11433188799136b87be28a1b7ec126b4a7ebf13c983d120122b7e0d1a31
  10. root  33c8b443992307de259517e0cd5cb8ce87d3ac525684ef8008d57db9d1ea0b1e