Pith Number

pith:4YUNOSO5

pith:2010:4YUNOSO53S2FS5UCV6HLJ7BRZS

not attested not anchored not stored refs pending

Viscosity Solutions for the two-phase Stefan Problem

Inwon C. Kim, Norbert Pozar

arxiv:1010.4285 v1 · 2010-10-20 · 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{4YUNOSO53S2FS5UCV6HLJ7BRZS}

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	2026-05-18T04:38:59.467971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e628d749dddcb4597682af8eb4fc31cca74fbbd65cc4995ef7e3a4f5c25c045d

Aliases

arxiv: 1010.4285 · arxiv_version: 1010.4285v1 · doi: 10.48550/arxiv.1010.4285 · pith_short_12: 4YUNOSO53S2F · pith_short_16: 4YUNOSO53S2FS5UC · pith_short_8: 4YUNOSO5

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/4YUNOSO53S2FS5UCV6HLJ7BRZS \
  | 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: e628d749dddcb4597682af8eb4fc31cca74fbbd65cc4995ef7e3a4f5c25c045d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8af20c01aa48f26aa61959e1b353792c8a67d3fe60a06fd5525f906dcee793e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2010-10-20T19:21:52Z",
    "title_canon_sha256": "ddc116fc997b87dd5b5791c931b298e4f82d3bf3d28f79f10868f03158e2ac02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.4285",
    "kind": "arxiv",
    "version": 1
  }
}