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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

409TH CONTRACTING OFFICE Award a ₱968.5K contract to ELPA CONSTRUCTIONNational agencies

Transaction hash:
7ea3c96a3dfa39abbae2cf69c27e6bbc420c0c4d6fb5f3e5e9a44022a80d9945
Status:
Included and unchanged
Block:
#3,848 2,165 blocks after it
Position in block:
Transaction 147 of 285
Award day:
Aug 14, 2019 (7 yrs 3 mo ago)
Value:
₱968,500.00
Project:
RM Buildings

Accountability

Bill Sec. 3 and 19
Responsible agency:
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 #3,848 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)
    409TH CONTRACTING OFFICE awarded it to ELPA CONSTRUCTION on 2019-08-14.
    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   7ea3c96a3d…0d9945now      …
  2. 2. Block Merkle root changed
    stored   c1fd5bf43f…02829bnow      …
  3. 3. Block #3848 hash changed
    stored   e0955bee7b…daae21now      …
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 284 records. Each step hashes the current value together with the sibling shown.

  1. leaf  7ea3c96a3dfa39abbae2cf69c27e6bbc420c0c4d6fb5f3e5e9a44022a80d9945
  2. 01 L 7e373b037ede149c1b73595c2ecf2d7326f3abe7964199faa2788cf6bac7ea3e
  3. 02 L d44d44d8bdc4ec3bfa4b37c546d35285ba3a4f6c9cb7341352741cef893412f6
  4. 03 R 466f97bdb6d9ce4c78579c15c248962ae71750fddcbc63b3ce927f7c0d979ca9
  5. 04 R 65ebe5fd37ee5ee296c20fcf3a750c38e6855c7c6637c3546c3162d4d6a519b3
  6. 05 L c767d6e690ced1b236002458d401452210d1ef54f448f37af0a87310df36ad01
  7. 06 R 4d10a4af089c8186cfb61638d3903741ae270ad2053d778adecdf3bf9ccfd7d4
  8. 07 R 20dfdc5a4eb6a195fafe4530384ee5e2ac0c300052b27589487e6abb75cf0109
  9. 08 L 2ae799324c24ecf46c90c4188f1597762f600e22271cddbd76151fd847e30a26
  10. 09 R 4c69b51dcf62422816792a893f2014bb7411e516f52cbb51dd6649a996bf51fd
  11. root  c1fd5bf43f256c253dd86cd059438631ad4a72dc6913804d6e16986f3d02829b