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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 ₱1.9M contract to TUBIGAN BUILDERSNational agencies

Transaction hash:
8b9401ffed14cd8a428634018703f51d273db0320f74dda64e629f7cd401407d
Status:
Included and unchanged
Block:
#4,237 1,776 blocks after it
Position in block:
Transaction 654 of 1,204
Award day:
Sep 30, 2020 (6 yrs 1 mo ago)
Value:
₱1,861,993.27
Project:
20IB0112 - Rehabilitation and Improvement of Brgy.

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 #4,237 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 "Regular Infra - GAA 2020 LP", i.e. the FY2020 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 2020-09-30.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 20IB0112: 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 2020-12-20). 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   8b9401ffed…01407dnow      …
  2. 2. Block Merkle root changed
    stored   4cf44a6f10…210053now      …
  3. 3. Block #4237 hash changed
    stored   eb3a99c020…e97410now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (11 steps)

How this one record is tied to the block's Merkle root, without needing the other 1,203 records. Each step hashes the current value together with the sibling shown.

  1. leaf  8b9401ffed14cd8a428634018703f51d273db0320f74dda64e629f7cd401407d
  2. 01 R 8b96dea770303dc3c8548c9c3bd2319f4dc858dcd43b6f3998e8f017afc65621
  3. 02 L 706bc5dc13644dcef2126b45e4372ef6a6526618b5a60018f342cddb50b2f38b
  4. 03 L 5066b73ac38f1eeac2978267c2127741e32149b6cdd53f52fe59f8784a96706b
  5. 04 L 7b3c34fd7def27e9aaaf34cf41bf911afe30819065bfe453cec9d346494154a3
  6. 05 R 69bb2b333d7b5ed35740ca9255e8a86e4e8f6e660161b3880b1f53e380b0e03d
  7. 06 R f78674a8a1e4232b0afdde1ff45e4b8a0e222c97c6785cff481f4b647b53d1f7
  8. 07 R 50c5f74a219f24de2a338fa5ce8b4dff99685ae17b5f2b280c699e30c61e98a6
  9. 08 L 4631d01f739feef2f72fcceade1af8a7658dfad464302b9f578f06b457d31e83
  10. 09 R 5b7a5841e277b72944f4e01d0e8cf5599396621428e3c876f9f06e813302a58f
  11. 10 L 74d2f6d1b2fee40e964ef6eb12f2ff21f66d654beef5296994dbeff1befff24a
  12. 11 R e52c213a4925397c81e73943717e6ef5b4b6d040d892e4fd42fd5683a7fcc063
  13. root  4cf44a6f10836aed6e9128ce74ac7e3c1f227597e75d25328502126aac210053