Pith Number

pith:U2YMBMTP

pith:2025:U2YMBMTPB73OSMNC3PQV435VB4

not attested not anchored not stored refs pending

Physical quantities as a partially additive field

Georgy Alymov

arxiv:2502.00967 v1 · 2025-02-03 · math-ph · math.MP · 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{U2YMBMTPB73OSMNC3PQV435VB4}

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	2026-07-05T10:08:40.808410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6b0c0b26f0ff6e931a2dbe15e6fb50f1f806a5a144165cb2deae2d1c4ba3471

Aliases

arxiv: 2502.00967 · arxiv_version: 2502.00967v1 · doi: 10.48550/arxiv.2502.00967 · pith_short_12: U2YMBMTPB73O · pith_short_16: U2YMBMTPB73OSMNC · pith_short_8: U2YMBMTP

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/U2YMBMTPB73OSMNC3PQV435VB4 \
  | 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: a6b0c0b26f0ff6e931a2dbe15e6fb50f1f806a5a144165cb2deae2d1c4ba3471

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4322c7c0eaa4259eeff19f99615b53002cdad42c48b4497f0fd79766a4e718c",
    "cross_cats_sorted": [
      "math.MP",
      "physics.hist-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2025-02-03T00:18:50Z",
    "title_canon_sha256": "9e82907ee4d8c9736528ae38202596f09c9f91ced9d0e9719fcab790fd382d6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.00967",
    "kind": "arxiv",
    "version": 1
  }
}