Pith Number

pith:S65GYKFS

pith:2026:S65GYKFS3JPUB2FSEQNJCFCU3Z

not attested not anchored not stored refs pending

Realism about the external world: an adversarial collaboration

Kelvin J. McQueen, Markus P. Mueller

arxiv:2607.16379 v1 · 2026-07-17 · physics.hist-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S65GYKFS3JPUB2FSEQNJCFCU3Z}

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	2026-07-21T00:20:14.894256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97ba6c28b2da5f40e8b2241a911454de7d2463876d6648d23cdeada14b7328eb

Aliases

arxiv: 2607.16379 · arxiv_version: 2607.16379v1 · doi: 10.48550/arxiv.2607.16379 · pith_short_12: S65GYKFS3JPU · pith_short_16: S65GYKFS3JPUB2FS · pith_short_8: S65GYKFS

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/S65GYKFS3JPUB2FSEQNJCFCU3Z \
  | 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: 97ba6c28b2da5f40e8b2241a911454de7d2463876d6648d23cdeada14b7328eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7083226658280ed96bdb9a4ead7304f9edcbab126e6e65a11c09cbce67ade1ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2026-07-17T16:15:58Z",
    "title_canon_sha256": "58ee12c9d8f5b16a92dc3190d914822737494b19247dbb7378fe6bd435525bb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.16379",
    "kind": "arxiv",
    "version": 1
  }
}