Pith Number

pith:FA3ZQZUV

pith:2019:FA3ZQZUVHPMRPT5I6SY5ACLRG4

not attested not anchored not stored refs pending

Interactive Collaborative Exploration using Incomplete Contexts

Gerd Stumme, Maximilian Felde

arxiv:1908.08740 v2 · 2019-08-23 · cs.AI · cs.HC · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FA3ZQZUVHPMRPT5I6SY5ACLRG4}

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	2026-07-05T05:23:27.670839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28379866953bd917cfa8f4b1d009713703d4b5c24634c41684b298ad64a765f7

Aliases

arxiv: 1908.08740 · arxiv_version: 1908.08740v2 · doi: 10.48550/arxiv.1908.08740 · pith_short_12: FA3ZQZUVHPMR · pith_short_16: FA3ZQZUVHPMRPT5I · pith_short_8: FA3ZQZUV

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/FA3ZQZUVHPMRPT5I6SY5ACLRG4 \
  | 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: 28379866953bd917cfa8f4b1d009713703d4b5c24634c41684b298ad64a765f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75b03eeb315eb75dfd24ce7ddec0d7b9032162640d62ded1e57827f417704767",
    "cross_cats_sorted": [
      "cs.HC",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2019-08-23T09:49:43Z",
    "title_canon_sha256": "1ebf1c61bf4089947b0402ff50b63862071e0bcd784ce3a512ed87b1b23e8f86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08740",
    "kind": "arxiv",
    "version": 2
  }
}