Pith Number

pith:GQ7ZKDDA

pith:2025:GQ7ZKDDAUXP7SAKPNIP72SR753

not attested not anchored not stored refs pending

Smartphone-Based Food Traceability System Using NoSQL Database

Ganjar Alfian, Muhammad Syafrudin, Norma Latif Fitriyani

arxiv:2506.02033 v1 · 2025-05-30 · cs.OH · cs.CY

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GQ7ZKDDAUXP7SAKPNIP72SR753}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T11:14:31.135489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

343f950c60a5dff9014f6a1ffd4a3feee3b602242f708b383d3607b989ef8caa

Aliases

arxiv: 2506.02033 · arxiv_version: 2506.02033v1 · doi: 10.48550/arxiv.2506.02033 · pith_short_12: GQ7ZKDDAUXP7 · pith_short_16: GQ7ZKDDAUXP7SAKP · pith_short_8: GQ7ZKDDA

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/GQ7ZKDDAUXP7SAKPNIP72SR753 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 343f950c60a5dff9014f6a1ffd4a3feee3b602242f708b383d3607b989ef8caa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a640dfa2b4833d4d54481b212fb6713162e59ad1ade6170a531eccb36502940",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.OH",
    "submitted_at": "2025-05-30T19:31:24Z",
    "title_canon_sha256": "d6a420fd77c256a2cb27533346890eddda2229f81a970c1befc2f818c97df096"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.02033",
    "kind": "arxiv",
    "version": 1
  }
}