Pith Number

pith:OYJ6YLNT

pith:2019:OYJ6YLNTSK3ABW4CF45AMPTWWA

not attested not anchored not stored refs pending

Non-local effects and size-dependent properties in Stefan problems with Newton cooling

Marc Calvo-Schwarzw\"alder

arxiv:1902.00401 v3 · 2019-02-01 · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OYJ6YLNTSK3ABW4CF45AMPTWWA}

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	2026-05-17T23:42:02.546766Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7613ec2db392b600db822f3a063e76b028d57c09a0fde242a97efa4318804bf6

Aliases

arxiv: 1902.00401 · arxiv_version: 1902.00401v3 · doi: 10.48550/arxiv.1902.00401 · pith_short_12: OYJ6YLNTSK3A · pith_short_16: OYJ6YLNTSK3ABW4C · pith_short_8: OYJ6YLNT

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/OYJ6YLNTSK3ABW4CF45AMPTWWA \
  | 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: 7613ec2db392b600db822f3a063e76b028d57c09a0fde242a97efa4318804bf6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70974c461ef3e2ea3e15e781c66955ecc9db1d26e17d79385792ccb2d6793826",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2019-02-01T15:26:40Z",
    "title_canon_sha256": "1b6ab4022ee0850609f427911ea3fc72d5dacd4ead0112281a39bec2b9b9a0f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.00401",
    "kind": "arxiv",
    "version": 3
  }
}