Pith Number

pith:BF644AQD

pith:2016:BF644AQDI7SAISOHJNIHNXCIWW

not attested not anchored not stored refs pending

Similarity solution for a two-phase one-dimensional Stefan problem with a convective boundary condition and a mushy zone model

Andrea N. Ceretani, Domingo A. Tarzia

arxiv:1609.04690 v1 · 2016-09-15 · 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{BF644AQDI7SAISOHJNIHNXCIWW}

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	2026-05-18T01:04:35.883110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

097dce020347e40449c74b5076dc48b58ea6d11a20c037fb2635c7005b86702b

Aliases

arxiv: 1609.04690 · arxiv_version: 1609.04690v1 · doi: 10.48550/arxiv.1609.04690 · pith_short_12: BF644AQDI7SA · pith_short_16: BF644AQDI7SAISOH · pith_short_8: BF644AQD

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/BF644AQDI7SAISOHJNIHNXCIWW \
  | 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: 097dce020347e40449c74b5076dc48b58ea6d11a20c037fb2635c7005b86702b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa63047ce04c9d10e2b7edbfb8f7c9145a65d10d7f56fe650102fd57a56aa0af",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-09-15T15:07:19Z",
    "title_canon_sha256": "479afd86eb25998334e40c2825f4859137a67429f0aa66eff6a6f2994776f7ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.04690",
    "kind": "arxiv",
    "version": 1
  }
}