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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 - BOHOL 1ST ED Award a ₱5.7M contract to A. A. DE VERA CONSTRUCTIONNational agencies

Transaction hash:
2a711bdca013ebdca8d17694236eb568eb7c8f2fa8099388f51cdbaa52410cb2
Status:
Included and unchanged
Block:
#2,852 3,161 blocks after it
Position in block:
Transaction 30 of 221
Award day:
Sep 16, 2016 (10 yrs 1 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 #2,852 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 DA Farm-to-Market Roads", 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 - BOHOL 1ST ED awarded it to A. A. DE VERA CONSTRUCTION on 2016-09-16.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 16HA0028: 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 2016-11-19). 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   2a711bdca0…410cb2now      …
  2. 2. Block Merkle root changed
    stored   695daecc55…1b2905now      …
  3. 3. Block #2852 hash changed
    stored   136bfe5999…663c16now      …
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 220 records. Each step hashes the current value together with the sibling shown.

  1. leaf  2a711bdca013ebdca8d17694236eb568eb7c8f2fa8099388f51cdbaa52410cb2
  2. 01 R 2b0f6609e6ed12bca7ed1b0c37bef8ebfbefe426b202303ad53926f63e1628c2
  3. 02 L c174d34c30c8b73e6a2c7e288fbbfcd03b3f2a42ed1b3fcf8c02777ffa5879be
  4. 03 L 87d70fe6d09e93f3e09f2728be789cff2c35aec130812cd7c99fbc4a9b4a11c9
  5. 04 L 509eb846b2fc983d3e22f4ce856f96baf86de778ad93573d875f8eaf6a605d98
  6. 05 L 1c8529749a9a5397b66e02d8b87bdadd70de3cd87fe25a22b560be1403d671c1
  7. 06 R 73f5bce94f0dec257d503516502b3dbd9009d2246d0e37f100a780a918bf3213
  8. 07 R 01e3f769d64539b6d118b887f658830b670e41166206a38e6efae4f5f5463781
  9. 08 R b3306d74d3df2a87d493ee390fbe9ef0e81eb887806adc52a427832fb98fe285
  10. root  695daecc55e3a987bd479e3db164b2aca2a1c18471dce1341402fed89e1b2905