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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, NORTHERN SAMAR 2ND Award a ₱4.6M contract to AREX BUILDERS & CONSTRUCTION SUPPLYNational agencies

Transaction hash:
ab6d7bdbc0e2a97a3cd1072f0c7cc799c86b560fe9340d7e9dd9c1073ae3fb50
Status:
Included and unchanged
Block:
#2,666 3,347 blocks after it
Position in block:
Transaction 154 of 223
Award day:
Feb 18, 2016 (10 yrs 8 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 #2,666 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 2016 Locally Funded Projects", 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, NORTHERN SAMAR 2ND awarded it to AREX BUILDERS & CONSTRUCTION SUPPLY on 2016-02-18.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 15II0138: 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 2016-09-16). 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   ab6d7bdbc0…e3fb50now      …
  2. 2. Block Merkle root changed
    stored   249cf0ecba…f62868now      …
  3. 3. Block #2666 hash changed
    stored   793ac7cbb7…32b57cnow      …
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 222 records. Each step hashes the current value together with the sibling shown.

  1. leaf  ab6d7bdbc0e2a97a3cd1072f0c7cc799c86b560fe9340d7e9dd9c1073ae3fb50
  2. 01 R ac9ea90fe95cbb9605bd6f27a77d8408125d184575b64684ecbca1373dc1ac7a
  3. 02 L 48aa3b37e7a905befb56fe885e176220fdf9478c0bdb4f2c8946856d5c004959
  4. 03 R ab2377b87cf758bc68ed4ddb2b7e3ba672a02f0c0940caaf510e327fc2a9c034
  5. 04 L 1df0086ec316a4e770b885a03a0ce889ae5ed4a9703acb1829a1725b1aba2fce
  6. 05 L 2aa9e4b31de8b1c4b0afe616c5e389268e19492bcc97f91d21403c7a7eafe053
  7. 06 R 7619f99c9574b1a79c92dadb2c485ae8266ce87b55ca63427e0409fce4a2190e
  8. 07 R 3d4775550a9641e3dac87ba29c35ccb5470e293c0b0a5e39be0146a661ffdd81
  9. 08 L 21f767b26332f55d29b7a085519e3a4fb2de25a6e3a27b13c22be3855a18383e
  10. root  249cf0ecbaa24686a2b4a3d95165d7b4f9f4d9c441b2c139bdf87cbfcff62868