Pith Number

pith:ET3PRNZ6

pith:2009:ET3PRNZ6BYWHN23QBXX35YBX6K

not attested not anchored not stored refs pending

Topological analysis of polymeric melts: Chain length effects and fast-converging estimators for entanglement length

Katerina Foteinopoulou, Martin Kr\"oger, Robert S. Hoy

arxiv:0903.2078 v2 · 2009-03-12 · cond-mat.soft · cond-mat.mtrl-sci · cond-mat.other

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ET3PRNZ6BYWHN23QBXX35YBX6K}

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	2026-05-18T02:14:35.743636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24f6f8b73e0e2c76eb700defbee037f2b885122cb507852d93b92f66292b30d5

Aliases

arxiv: 0903.2078 · arxiv_version: 0903.2078v2 · doi: 10.48550/arxiv.0903.2078 · pith_short_12: ET3PRNZ6BYWH · pith_short_16: ET3PRNZ6BYWHN23Q · pith_short_8: ET3PRNZ6

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/ET3PRNZ6BYWHN23QBXX35YBX6K \
  | 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: 24f6f8b73e0e2c76eb700defbee037f2b885122cb507852d93b92f66292b30d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d911efbe51b98e74c287260a7c8dc36e3a97e2a84e031a5989ca7664aa0f01f2",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "cond-mat.other"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2009-03-12T00:06:02Z",
    "title_canon_sha256": "672dabaf384de87fb5ce5d819615baac0a1e10cf6e784f135a3d0a8c241847e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.2078",
    "kind": "arxiv",
    "version": 2
  }
}