Pith Number

pith:PEH4Q3F6

pith:2018:PEH4Q3F6KP22KBI6IKZTV5BCGU

not attested not anchored not stored refs pending

An Ontology-Based Reasoning Framework for Context-Aware Applications

Christoph Anderson, Isabel Suarez, Klaus David, Yaqian Xu

arxiv:1805.09012 v1 · 2018-05-23 · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PEH4Q3F6KP22KBI6IKZTV5BCGU}

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	2026-05-18T00:15:08.797632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

790fc86cbe53f5a5051e42b33af4223520c691376f05727f4f6286407fd24b7d

Aliases

arxiv: 1805.09012 · arxiv_version: 1805.09012v1 · doi: 10.48550/arxiv.1805.09012 · pith_short_12: PEH4Q3F6KP22 · pith_short_16: PEH4Q3F6KP22KBI6 · pith_short_8: PEH4Q3F6

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/PEH4Q3F6KP22KBI6IKZTV5BCGU \
  | 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: 790fc86cbe53f5a5051e42b33af4223520c691376f05727f4f6286407fd24b7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1c3bd8bc1decff5eafcc0fc0888f1424405e85ded6a244e2fccd3b6a8f86762",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2018-05-23T08:36:28Z",
    "title_canon_sha256": "26abe874bb2d6fd1d369d7b79851bc1a1a9c2dc3f37a27a83a5545e70b09d186"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.09012",
    "kind": "arxiv",
    "version": 1
  }
}