Pith Number

pith:J4E3J2TO

pith:2017:J4E3J2TOQ6S5LFSPJXIV3Y2VFA

not attested not anchored not stored refs pending

Pedagogical learning

Long Ouyang, Michael C. Frank

arxiv:1711.09401 v2 · 2017-11-26 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J4E3J2TOQ6S5LFSPJXIV3Y2VFA}

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	2026-05-18T00:29:07.907379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f09b4ea6e87a5d5964f4dd15de3552825a7db9f4e764e7933e446d93211234b

Aliases

arxiv: 1711.09401 · arxiv_version: 1711.09401v2 · doi: 10.48550/arxiv.1711.09401 · pith_short_12: J4E3J2TOQ6S5 · pith_short_16: J4E3J2TOQ6S5LFSP · pith_short_8: J4E3J2TO

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/J4E3J2TOQ6S5LFSPJXIV3Y2VFA \
  | 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: 4f09b4ea6e87a5d5964f4dd15de3552825a7db9f4e764e7933e446d93211234b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b58ee566016533af07c6029e5da0b4f664c815bf6592dba72723ba84bc16d021",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2017-11-26T15:17:02Z",
    "title_canon_sha256": "141450ab77eac5ca198ded8cfd937137ffafbacba6fa4647484abc981a4e5456"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.09401",
    "kind": "arxiv",
    "version": 2
  }
}