Pith Number

pith:H34TANXL

pith:2017:H34TANXLP7HZ5GVWU3RJSGXQY7

not attested not anchored not stored refs pending

Physical and geometric constraints explain the labyrinth-like shape of the nasal cavity

Daniel E. Lieberman, David Zwicker, Michael P. Brenner, Rodolfo Ostilla-M\'onico

arxiv:1708.08966 v1 · 2017-08-29 · physics.bio-ph · physics.flu-dyn · q-bio.TO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H34TANXLP7HZ5GVWU3RJSGXQY7}

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	2026-05-18T00:16:31.526548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ef93036eb7fcf9e9ab6a6e2991af0c7dbf258019136b15ff40eacf12adf932e

Aliases

arxiv: 1708.08966 · arxiv_version: 1708.08966v1 · doi: 10.48550/arxiv.1708.08966 · pith_short_12: H34TANXLP7HZ · pith_short_16: H34TANXLP7HZ5GVW · pith_short_8: H34TANXL

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/H34TANXLP7HZ5GVWU3RJSGXQY7 \
  | 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: 3ef93036eb7fcf9e9ab6a6e2991af0c7dbf258019136b15ff40eacf12adf932e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1dcd0c46d4c8095b90b307bb27e30a2723f43cee5f33df4beb9cce74517ecc63",
    "cross_cats_sorted": [
      "physics.flu-dyn",
      "q-bio.TO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2017-08-29T18:42:47Z",
    "title_canon_sha256": "2026c6a0d639f7e8b3468183cebacbbe61f08775746107c84057002550a1c8be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.08966",
    "kind": "arxiv",
    "version": 1
  }
}