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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 ₱1.4M contract to TUBIGAN BUILDERSNational agencies

Transaction hash:
8e56dff00dfeae49368bcd2023fa3f4a1c2e939bd6e7b2c505133fd77767f950
Status:
Included and unchanged
Block:
#3,823 2,190 blocks after it
Position in block:
Transaction 140 of 262
Award day:
Jul 18, 2019 (7 yrs 3 mo ago)
Value:
₱1,424,326.31
Project:
19IB0228 Construction of Multi-purpose Building (

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 #3,823 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 2019 LP", i.e. the FY2019 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 2019-07-18.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 19IB0228: 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 2019-09-18). 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   8e56dff00d…67f950now      …
  2. 2. Block Merkle root changed
    stored   ade23ac970…fb1b1anow      …
  3. 3. Block #3823 hash changed
    stored   6df09ce9d3…d5d325now      …
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 261 records. Each step hashes the current value together with the sibling shown.

  1. leaf  8e56dff00dfeae49368bcd2023fa3f4a1c2e939bd6e7b2c505133fd77767f950
  2. 01 R 8f0d34967a0259b0b2a3440513be4d90cc0feb0931ca40007e26292e5eefea6c
  3. 02 R 37198f1d36299bf65b86d2caef068e7b3a856492672724c491dead03175c1a69
  4. 03 L 801cd3db35657c446497cfc88c817f4bb1d9271df6495b100e0e5424b0aef12a
  5. 04 L 1638b6a0962121ab889ecec57e1192c4dfd45db6dbbacddd5f30674443407428
  6. 05 R e073d452cdc9e1ab3fa7893da735d50b7611a4566db1fe0f34a484eb8fea305e
  7. 06 R ce0fe8a54d56e7b8ffd4934fee9ec29fdf31cad59245d5150649fd14b6726dbe
  8. 07 R 6ee6b8a7f5c179cb4cd57a40383d2c673051553096364b63cd8e898f7a360603
  9. 08 L f8208ab0a37bc5d042f3dd5ce6399221f58368345a9a67029bce77c306aba49e
  10. 09 R e1cc83cc0f427b14c1aaac0a3d6eb169e43e31e937d3f89ee849bc197bff19e8
  11. root  ade23ac970f37e8ee0aff3d815373fa64e1ecdcb62c2339eee3b67cc6ffb1b1a