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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 ₱2.4M contract to TUBIGAN BUILDERSNational agencies

Transaction hash:
766ffdf89bb51986a7d601ad30d64e7a579d3d2a25abd30281d1e6b5689011a2
Status:
Included and unchanged
Block:
#2,820 3,193 blocks after it
Position in block:
Transaction 76 of 143
Award day:
Aug 12, 2016 (10 yrs 3 mo ago)
Value:
₱2,419,772.46
Project:
16IB0217 - Construction of a 1STY Workshop Buildin

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 #2,820 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 DepED BEFF", 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 2016-08-12.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 16IB0217: 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 2016-10-29). 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   766ffdf89b…9011a2now      …
  2. 2. Block Merkle root changed
    stored   75101feba7…40c841now      …
  3. 3. Block #2820 hash changed
    stored   35b0e9fa35…354d41now      …
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  766ffdf89bb51986a7d601ad30d64e7a579d3d2a25abd30281d1e6b5689011a2
  2. 01 R 76c9e9f47ba5709b87edd5ef60d9ff1db79a37925189e5d61ca59e6cf499b621
  3. 02 R 2073e46345ce85e350e386e821b1fa80f963ba41bb8ef1635a08f63a0fca4d74
  4. 03 L 1c2f253a46be2f995acbac03c1f9fe9cea0c8e2d31d07d79a53d046c72c81400
  5. 04 L 66001c082b27a2b5d66ecd52f9b3945b96a25f14858fd1b95a69f075cbc35dda
  6. 05 R 0f71108396162968c08b9e320d608c57525c6714ea2790d22bd14a31eb6c6fff
  7. 06 R 383b07a18c0c54fde8160222b8dcb8781d2fce39fb736bb1c51f6ba6e8fb8c47
  8. 07 L b1dcffabdec9bda63c5b20c3d2e847481fd5fae634f6ca00103317bedc207940
  9. 08 R a738cd6b29c1779fd14d8a2fd44f42daa013906ec09df1d84858d0a77f738048
  10. root  75101feba77d8c9cb70a78146b32a41eaab8e77bc0b6aab4327f99abc740c841