Pith Number

pith:ERSHN4TA

pith:2015:ERSHN4TAH5ABF3GQOIASKVTAWU

not attested not anchored not stored refs pending

#FoodPorn: Obesity Patterns in Culinary Interactions

Anastasios Noulas, Hamed Haddadi, Ingmar Weber, Yelena Mejova

arxiv:1503.01546 v3 · 2015-03-05 · 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{ERSHN4TAH5ABF3GQOIASKVTAWU}

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	2026-05-18T02:20:28.245250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

246476f2603f4012ecd07201255660b539a2baf14bd26d81b23eb480d12592c2

Aliases

arxiv: 1503.01546 · arxiv_version: 1503.01546v3 · doi: 10.48550/arxiv.1503.01546 · pith_short_12: ERSHN4TAH5AB · pith_short_16: ERSHN4TAH5ABF3GQ · pith_short_8: ERSHN4TA

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/ERSHN4TAH5ABF3GQOIASKVTAWU \
  | 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: 246476f2603f4012ecd07201255660b539a2baf14bd26d81b23eb480d12592c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43072c01dad64aafa29b49f40165eb7783e0950dc1b087123f844c200e03666f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2015-03-05T06:03:53Z",
    "title_canon_sha256": "e947598ea22f771a2b7b7c542f554733f830740c4c7d57220a2d083ff4cab1ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01546",
    "kind": "arxiv",
    "version": 3
  }
}