Pith Number

pith:RKKPLVBQ

pith:2018:RKKPLVBQQVBRBUB3XFGBQKBPAF

not attested not anchored not stored refs pending

Heat balance integral methods applied to the one-phase Stefan problem with a convective boundary condition at the fixed face

Domingo A. Tarzia, Jos\'e A. Semitiel, Julieta Bollati

arxiv:1808.02842 v1 · 2018-08-06 · 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{RKKPLVBQQVBRBUB3XFGBQKBPAF}

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	2026-05-18T00:08:32.023018Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a94f5d430854310d03bb94c18282f015653795e11c42c7323b14464326a7ddf

Aliases

arxiv: 1808.02842 · arxiv_version: 1808.02842v1 · doi: 10.48550/arxiv.1808.02842 · pith_short_12: RKKPLVBQQVBR · pith_short_16: RKKPLVBQQVBRBUB3 · pith_short_8: RKKPLVBQ

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/RKKPLVBQQVBRBUB3XFGBQKBPAF \
  | 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: 8a94f5d430854310d03bb94c18282f015653795e11c42c7323b14464326a7ddf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45af0444d6e8004376b2fcfb78781c949b77928d6c1ac62b5b2e144b01c9ed17",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-08-06T13:28:26Z",
    "title_canon_sha256": "164eb768cd7ac6c2ad63735335fe070a5f6d90bcd5fd7ec6f0d5e2e8029137f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02842",
    "kind": "arxiv",
    "version": 1
  }
}