Pith Number

pith:7YJMLBYQ

pith:2017:7YJMLBYQU3YAWSV4P3M4WWG7XR

not attested not anchored not stored refs pending

One-phase Stefan problem with a latent heat depending on the position of the free boundary and its rate of change

Domingo A. Tarzia, Julieta Bollati

arxiv:1703.07845 v1 · 2017-03-21 · 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{7YJMLBYQU3YAWSV4P3M4WWG7XR}

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	2026-05-18T00:48:04.658288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe12c58710a6f00b4abc7ed9cb58dfbc668c3388f3bf52645f715c098f481c97

Aliases

arxiv: 1703.07845 · arxiv_version: 1703.07845v1 · doi: 10.48550/arxiv.1703.07845 · pith_short_12: 7YJMLBYQU3YA · pith_short_16: 7YJMLBYQU3YAWSV4 · pith_short_8: 7YJMLBYQ

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/7YJMLBYQU3YAWSV4P3M4WWG7XR \
  | 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: fe12c58710a6f00b4abc7ed9cb58dfbc668c3388f3bf52645f715c098f481c97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7edf1a15b43604f372f9f07eafd049a82f77d8c40b3dcd2d15db480b67483bc8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-03-21T17:25:32Z",
    "title_canon_sha256": "f8cc63d0db6919fa97d90f929641b6f6c6e434ac1ba2d0932f0d0565ef2c4712"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.07845",
    "kind": "arxiv",
    "version": 1
  }
}