Pith Number

pith:UST6P3GF

pith:2025:UST6P3GFNFG4OK2T45HF7LI2NT

not attested not anchored not stored refs pending

On the existence of a singular limit equation for a model of a self-propelled object motion

Keisuke Takasao, Koya Sakakibara, Masaharu Nagayama

arxiv:2507.16447 v2 · 2025-07-22 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UST6P3GFNFG4OK2T45HF7LI2NT}

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	2026-05-20T01:04:56.332081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4a7e7ecc5694dc72b53e74e5fad1a6ce6ec7b041fb97f17bf36d78c1fb7db21

Aliases

arxiv: 2507.16447 · arxiv_version: 2507.16447v2 · doi: 10.48550/arxiv.2507.16447 · pith_short_12: UST6P3GFNFG4 · pith_short_16: UST6P3GFNFG4OK2T · pith_short_8: UST6P3GF

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/UST6P3GFNFG4OK2T45HF7LI2NT \
  | 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: a4a7e7ecc5694dc72b53e74e5fad1a6ce6ec7b041fb97f17bf36d78c1fb7db21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d82f1710188d60f3a667900dc2f157df7273fcfa61b68b3c138436718f24658",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2025-07-22T10:48:02Z",
    "title_canon_sha256": "d165d4e9dad85b81ed867d1f6e54c963a289a547885cfa7fab43be78a991ee22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.16447",
    "kind": "arxiv",
    "version": 2
  }
}