Pith Number

pith:ENBAGD4D

pith:2018:ENBAGD4DN6Q2XL5QXQIWUSH5CA

not attested not anchored not stored refs pending

Integral balance methods applied to a non-classical Stefan problem

Domingo A. Tarzia, Jose A. Semitiel, Julieta Bollati, Maria F. Natale

arxiv:1810.06370 v1 · 2018-10-12 · physics.class-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{ENBAGD4DN6Q2XL5QXQIWUSH5CA}

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	2026-05-18T00:03:14.279678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2342030f836fa1abafb0bc116a48fd102b02ad36f63f205b3ec774a0ddc9246e

Aliases

arxiv: 1810.06370 · arxiv_version: 1810.06370v1 · doi: 10.48550/arxiv.1810.06370 · pith_short_12: ENBAGD4DN6Q2 · pith_short_16: ENBAGD4DN6Q2XL5Q · pith_short_8: ENBAGD4D

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/ENBAGD4DN6Q2XL5QXQIWUSH5CA \
  | 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: 2342030f836fa1abafb0bc116a48fd102b02ad36f63f205b3ec774a0ddc9246e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b46c4546077a60780dac181a6195d7800223a3c4f5175d880891a2795e2b8105",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2018-10-12T15:04:18Z",
    "title_canon_sha256": "04aed5efe06f0030da4973304c9ab68222c1d5f9a0aaf1834fbded0edb6a1192"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.06370",
    "kind": "arxiv",
    "version": 1
  }
}