Pith Number

pith:XJLACFCN

pith:2025:XJLACFCNSQNVRLIKQ6C7JTPWXZ

not attested not anchored not stored refs pending

Shape space as a conceptual space

Antonio Vassallo

arxiv:2505.08913 v1 · 2025-05-13 · 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{XJLACFCNSQNVRLIKQ6C7JTPWXZ}

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	2026-07-05T11:02:47.110672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba5601144d941b58ad0a8785f4cdf6be704458a913e7550703d1eec50298c41f

Aliases

arxiv: 2505.08913 · arxiv_version: 2505.08913v1 · doi: 10.48550/arxiv.2505.08913 · pith_short_12: XJLACFCNSQNV · pith_short_16: XJLACFCNSQNVRLIK · pith_short_8: XJLACFCN

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/XJLACFCNSQNVRLIKQ6C7JTPWXZ \
  | 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: ba5601144d941b58ad0a8785f4cdf6be704458a913e7550703d1eec50298c41f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7487ce9668c6fdb76e42d49ed140d1c303066fd90b7c0b4f4926accefb017a4f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2025-05-13T19:16:17Z",
    "title_canon_sha256": "b4baa7e047432741c8cb01216ab3b6edda89e64bc647194b56179a052214a56b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.08913",
    "kind": "arxiv",
    "version": 1
  }
}