Pith Number

pith:UCNDMZHH

pith:2017:UCNDMZHHEOU7WGOEOWYNZ7Z5FA

not attested not anchored not stored refs pending

Two different fractional Stefan problems which are convergent to the same classical Stefan problem

Domingo A. Tarzia, Sabrina D. Roscani

arxiv:1710.07620 v2 · 2017-10-20 · 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{UCNDMZHHEOU7WGOEOWYNZ7Z5FA}

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	2026-05-18T00:02:28.150635Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a09a3664e723a9fb19c475b0dcff3d281e809e3875b1101963117ba90ce1da06

Aliases

arxiv: 1710.07620 · arxiv_version: 1710.07620v2 · doi: 10.48550/arxiv.1710.07620 · pith_short_12: UCNDMZHHEOU7 · pith_short_16: UCNDMZHHEOU7WGOE · pith_short_8: UCNDMZHH

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/UCNDMZHHEOU7WGOEOWYNZ7Z5FA \
  | 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: a09a3664e723a9fb19c475b0dcff3d281e809e3875b1101963117ba90ce1da06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6135940de428ba4ed7f1b7fcb3caebafe21098c496c47fa65b7d19556907b54",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-10-20T17:35:21Z",
    "title_canon_sha256": "5a839d30c08abc2c99af92567e777df7ce0837a0a1e8940d93d9e74fc9ba9458"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.07620",
    "kind": "arxiv",
    "version": 2
  }
}