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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 - SAMAR 2ND DEO Award a ₱18.6M contract to RIANNE CONSTRUCTIONNational agencies

Transaction hash:
a3d8ffb74943ee2a0cb8f11f44bd362c9b319991b6929b422fda60cde77cad11
Status:
Included and unchanged
Block:
#3,627 2,386 blocks after it
Position in block:
Transaction 441 of 673
Award day:
Dec 21, 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 #3,627 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 2018 DepEd BEFF", i.e. the FY2018 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 - SAMAR 2ND DEO awarded it to RIANNE CONSTRUCTION on 2018-12-21.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18IK0093: 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 2019-10-31). 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   a3d8ffb749…7cad11now      …
  2. 2. Block Merkle root changed
    stored   e1d740d034…0ab343now      …
  3. 3. Block #3627 hash changed
    stored   3e03157663…c525fcnow      …
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 672 records. Each step hashes the current value together with the sibling shown.

  1. leaf  a3d8ffb74943ee2a0cb8f11f44bd362c9b319991b6929b422fda60cde77cad11
  2. 01 L a35ea9f766e3556d9174915ab44d460b4fb2d4ae085cbd6fd4195f3177d89fa0
  3. 02 R b9e67fa6eb557b8fafa8d02cd299794e22c8df568d30e74e8801a3f8b2fcd66b
  4. 03 R af3c323efe07b6b715ac240cc3b699ae37882d98a7718055858785b66b621c01
  5. 04 L ce22100ad300325c632b84cd2b2977b841e3a504930a704816ceaf3d4a0b6b6a
  6. 05 L ed2a32dbfca39175cb382353b566355edd59abd7fc0f9f40ea81fcec59cdf7e0
  7. 06 L a4751f20520ff2c089801f8efc8052837cb92fd2e68d377207d92f31215627a6
  8. 07 R 86539144c6a15bafd7511593add626b784bfae0624036610083a97bcedcad13c
  9. 08 L 7fb5bad1a934e3962349fb8c405e182a6bb18077a7e951ce37ad5e23459c4d9e
  10. 09 L 1ae1275a34ef42ea273bb477f3b8bd72e86b8f14488a20296859282f5a1ef5b9
  11. 10 R d1f39d531403a591e3a5052e32efcc8cab81f22ec3a906a1b85a6b726ab9ca16
  12. root  e1d740d034199d6f1eb69604ddc22e56874117ab7b3b723cf5687973400ab343