Pith Number

pith:3C7ZRV4Y

pith:2009:3C7ZRV4YZJAN7MKGTZIV4UJQYN

not attested not anchored not stored refs pending

Diffusion of a sphere in a dilute solution of polymer coils

Markus Rauscher, Matthias Kr\"uger

arxiv:0908.1661 v1 · 2009-08-12 · cond-mat.soft

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3C7ZRV4YZJAN7MKGTZIV4UJQYN}

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	2026-05-18T02:12:35.120986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8bf98d798ca40dfb1469e515e5130c3518bfe6e977ee6d0a0a39288d3c4f559

Aliases

arxiv: 0908.1661 · arxiv_version: 0908.1661v1 · doi: 10.48550/arxiv.0908.1661 · pith_short_12: 3C7ZRV4YZJAN · pith_short_16: 3C7ZRV4YZJAN7MKG · pith_short_8: 3C7ZRV4Y

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/3C7ZRV4YZJAN7MKGTZIV4UJQYN \
  | 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: d8bf98d798ca40dfb1469e515e5130c3518bfe6e977ee6d0a0a39288d3c4f559

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ebbd8b62089143a100ef846dd589bd2789af12893e67255f7f96d84fdd9466f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2009-08-12T09:51:09Z",
    "title_canon_sha256": "ea0a0737af50542d96e949e5e0532be66de6c458ac9e29aed978dc34491e3119"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.1661",
    "kind": "arxiv",
    "version": 1
  }
}