Pith Number

pith:7OQ7GVAN

pith:2025:7OQ7GVANS5LZZIAHDAXW77NAVE

not attested not anchored not stored refs pending

Observational Multiplicity

Berk Ustun, Deanna Needell, Erin George

arxiv:2507.23136 v1 · 2025-07-30 · 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{7OQ7GVANS5LZZIAHDAXW77NAVE}

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	2026-07-05T11:46:06.282860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fba1f3540d97579ca007182f6ffda0a92023d02f85afc52e2181c2b6ef77a384

Aliases

arxiv: 2507.23136 · arxiv_version: 2507.23136v1 · doi: 10.48550/arxiv.2507.23136 · pith_short_12: 7OQ7GVANS5LZ · pith_short_16: 7OQ7GVANS5LZZIAH · pith_short_8: 7OQ7GVAN

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/7OQ7GVANS5LZZIAHDAXW77NAVE \
  | 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: fba1f3540d97579ca007182f6ffda0a92023d02f85afc52e2181c2b6ef77a384

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89c505e2355e1fcc1643974aad1d5167effb10b47bddce19675c6f71fce3164a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-07-30T22:30:56Z",
    "title_canon_sha256": "b8393016c541e45ee95958fe82af820d0583c1ba15ea7d514b9f0ef3069879a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.23136",
    "kind": "arxiv",
    "version": 1
  }
}