Pith Number

pith:7Z5IRDFG

pith:2022:7Z5IRDFGXB7QYQ63I5M72EMYCB

not attested not anchored not stored refs pending

Anisotropy distorts the spreading of a fixed volume porous gravity current

GP Benham

arxiv:2212.10327 v2 · 2022-12-20 · 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{7Z5IRDFGXB7QYQ63I5M72EMYCB}

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	2026-07-05T06:03:10.890573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe7a888ca6b87f0c43db4759fd1198104ec3582097ac409a785cfad96a067b1d

Aliases

arxiv: 2212.10327 · arxiv_version: 2212.10327v2 · doi: 10.48550/arxiv.2212.10327 · pith_short_12: 7Z5IRDFGXB7Q · pith_short_16: 7Z5IRDFGXB7QYQ63 · pith_short_8: 7Z5IRDFG

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/7Z5IRDFGXB7QYQ63I5M72EMYCB \
  | 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: fe7a888ca6b87f0c43db4759fd1198104ec3582097ac409a785cfad96a067b1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29bd58b7157f23d2062bd01f90bc92b91a9c74b8ee467c2304f167dca0a59831",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2022-12-20T15:17:59Z",
    "title_canon_sha256": "d6ba093e754bae908eaaec13001320ea06665db918f35aefae7ac6869c96a87b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.10327",
    "kind": "arxiv",
    "version": 2
  }
}