Pith Number

pith:QHDWYHXC

pith:2013:QHDWYHXCAOXEKO47HFUFXDX7CB

not attested not anchored not stored refs pending

Convective Equations and a Generalized Cole-Hopf Transformation

Mayer Humi

arxiv:1308.0858 v1 · 2013-08-04 · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QHDWYHXCAOXEKO47HFUFXDX7CB}

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	2026-05-18T03:16:41.309300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81c76c1ee203ae453b9f39685b8eff10624ba243aab36b6163cd2e424cc3f5b2

Aliases

arxiv: 1308.0858 · arxiv_version: 1308.0858v1 · doi: 10.48550/arxiv.1308.0858 · pith_short_12: QHDWYHXCAOXE · pith_short_16: QHDWYHXCAOXEKO47 · pith_short_8: QHDWYHXC

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/QHDWYHXCAOXEKO47HFUFXDX7CB \
  | 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: 81c76c1ee203ae453b9f39685b8eff10624ba243aab36b6163cd2e424cc3f5b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5847263a67f135ddffbca11c08af7516c6662b919ecd6a5077e2a4f60ae31f0",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-08-04T22:41:26Z",
    "title_canon_sha256": "72e1b1d4f6a88accebb8868302f7020226dd4e6f9390385951e9f7b6334b508e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0858",
    "kind": "arxiv",
    "version": 1
  }
}