Pith Number

pith:37XRH33M

pith:2018:37XRH33MN454SFZL6ZFAHW42XI

not attested not anchored not stored refs pending

Optimal morphometric factors responsible for enhanced gas exchange in fish gills

Mainak Majumder, Prasanna S Gandhi, Prasoon Kumar

arxiv:1805.07744 v1 · 2018-05-20 · physics.bio-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{37XRH33MN454SFZL6ZFAHW42XI}

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	2026-05-18T00:15:32.635301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfef13ef6c6f3bc9172bf64a03db9aba06d6a15f552b48726cfc4a94086b30f2

Aliases

arxiv: 1805.07744 · arxiv_version: 1805.07744v1 · doi: 10.48550/arxiv.1805.07744 · pith_short_12: 37XRH33MN454 · pith_short_16: 37XRH33MN454SFZL · pith_short_8: 37XRH33M

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/37XRH33MN454SFZL6ZFAHW42XI \
  | 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: dfef13ef6c6f3bc9172bf64a03db9aba06d6a15f552b48726cfc4a94086b30f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3814314a584dff6549b441c1199ceac9412ab4545617d61a807a23e5329dc1c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2018-05-20T09:31:26Z",
    "title_canon_sha256": "6b69b9238f6664214b47f206c8b42d82e40a1e4eb751cba881a81b0455f979a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.07744",
    "kind": "arxiv",
    "version": 1
  }
}