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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 - EASTERN SAMAR DEO Award a ₱457.2K contract to TUBIGAN BUILDERSNational agencies

Transaction hash:
3dbd499c2e69472cf70cf82bcc3d34c92e19b719efb4e9cb39cd56ff77ed285a
Status:
Included and unchanged
Block:
#2,946 3,067 blocks after it
Position in block:
Transaction 110 of 411
Award day:
Dec 27, 2016 (9 yrs 10 mo ago)
Value:
₱457,152.43
Project:
16IB0298 - Repair of Piggery Eastern Samar State U

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 #2,946 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 "Outside Infra - GAA 2016 NDRRMF", 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 - EASTERN SAMAR DEO awarded it to TUBIGAN BUILDERS on 2016-12-27.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 16IB0298: 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 2017-02-17). 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   3dbd499c2e…ed285anow      …
  2. 2. Block Merkle root changed
    stored   ab24c2f5d3…ccebdenow      …
  3. 3. Block #2946 hash changed
    stored   3a224c31c8…2d05danow      …
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 410 records. Each step hashes the current value together with the sibling shown.

  1. leaf  3dbd499c2e69472cf70cf82bcc3d34c92e19b719efb4e9cb39cd56ff77ed285a
  2. 01 R 3eafaddce9cb55457efa4a567a52424c9baa0112a8356abecad9e951c3200570
  3. 02 L e73977b2b31e7f5de1b6004ccbc603e26364f5c43e314fac79bd7341f421d883
  4. 03 L c7cc46784cba7f8058396d1e984a848c3d37013372876bced04424f5ea1870c1
  5. 04 L a6832a624ae7f505e0d1d2e8ac970707ab9f758e89bc942ad5573f224b7bae62
  6. 05 R bdadbea764961f1cd4d2a1fddea6af8dfd0745e5d36a404f06bc7e479dbfdfea
  7. 06 L 04c5782833e7cae8f0eb2a51a28d7771c7c9fc60527028c36e16e2ec186d9211
  8. 07 L 812cb336e0825d728e255ffdc97123bdb2409bb5619d767496a444206ef11b66
  9. 08 R 5ef52c999da3877ea461defbf4aaba86669e01bd68882236d14825cb2593be4f
  10. 09 R 1bfa31c95f8d270b1410a18d617e3487ccb2f15899f43a1f38f8d64ef3c34fba
  11. root  ab24c2f5d36efb5235a65b34dc8ec1db59e6add29df5cd162621d3c8e6ccebde