Pith Number

pith:HAVK7JCH

pith:2020:HAVK7JCHLU5Z6IDXFQIECVTHGT

not attested not anchored not stored refs pending

Ice penetration by a bluff-body melting probe

Kerstin Weinberg, Michael Ortiz

arxiv:2002.02178 v1 · 2020-02-06 · physics.app-ph · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HAVK7JCHLU5Z6IDXFQIECVTHGT}

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	2026-07-05T00:56:44.349234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

382aafa4475d3b9f20772c1041566734cb33072ba00537fe0dc97e39184b5cb4

Aliases

arxiv: 2002.02178 · arxiv_version: 2002.02178v1 · doi: 10.48550/arxiv.2002.02178 · pith_short_12: HAVK7JCHLU5Z · pith_short_16: HAVK7JCHLU5Z6IDX · pith_short_8: HAVK7JCH

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/HAVK7JCHLU5Z6IDXFQIECVTHGT \
  | 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: 382aafa4475d3b9f20772c1041566734cb33072ba00537fe0dc97e39184b5cb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70971102353ed1a859beee10d39616967c52c8a74f4cc24f1ed32a5f8000600a",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2020-02-06T10:00:40Z",
    "title_canon_sha256": "f26b1056177b7e9034c7662ec0c03e50be8d0e69907d34354ebb3bc422c78697"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.02178",
    "kind": "arxiv",
    "version": 1
  }
}