Pith Number

pith:QL5IWIJC

pith:2013:QL5IWIJCMOHQSR5ANVEERMT4EX

not attested not anchored not stored refs pending

Comment on: "On the swimming motion of spheroidal magnetotactic bacteria" [arXiv:1302.5787]

B. U. Felderhof

arxiv:1311.6353 v3 · 2013-11-21 · physics.flu-dyn · 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{QL5IWIJCMOHQSR5ANVEERMT4EX}

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	2026-05-18T02:57:43.349106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82fa8b2122638f0947a06d4848b27c25fcd4c707792e6d65c976bc76baec1d1d

Aliases

arxiv: 1311.6353 · arxiv_version: 1311.6353v3 · doi: 10.48550/arxiv.1311.6353 · pith_short_12: QL5IWIJCMOHQ · pith_short_16: QL5IWIJCMOHQSR5A · pith_short_8: QL5IWIJC

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/QL5IWIJCMOHQSR5ANVEERMT4EX \
  | 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: 82fa8b2122638f0947a06d4848b27c25fcd4c707792e6d65c976bc76baec1d1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0755fc448cc7e453a01c5d2544ec58e45db4ba2679c0c7c39100f5e612f11474",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2013-11-21T13:16:09Z",
    "title_canon_sha256": "ec5effa265cba49d98be9f57998c91610b060e453f71157df26191ad2a127484"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.6353",
    "kind": "arxiv",
    "version": 3
  }
}