Pith Number

pith:ZHYJVE4Q

pith:2009:ZHYJVE4QPEC2KEFJCTOEW3FVFC

not attested not anchored not stored refs pending

Plectoneme creation reduces the rotational friction of a polymer

Hirofumi Wada, Roland R. Netz

arxiv:0910.1501 v1 · 2009-10-08 · 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{ZHYJVE4QPEC2KEFJCTOEW3FVFC}

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	2026-05-18T02:11:25.537713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9f09a93907905a510a914dc4b6cb52887e7aad48f6b6dc3ae60a45c92c1aba6

Aliases

arxiv: 0910.1501 · arxiv_version: 0910.1501v1 · doi: 10.48550/arxiv.0910.1501 · pith_short_12: ZHYJVE4QPEC2 · pith_short_16: ZHYJVE4QPEC2KEFJ · pith_short_8: ZHYJVE4Q

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/ZHYJVE4QPEC2KEFJCTOEW3FVFC \
  | 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: c9f09a93907905a510a914dc4b6cb52887e7aad48f6b6dc3ae60a45c92c1aba6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "094c7bed097b090565822886fcbd68f8bdd47a78a4a12fb0297644350018c5a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2009-10-08T13:31:00Z",
    "title_canon_sha256": "89ff2acdf0db96425c4e2449b004ea6694f9058f68fed82444f66f4737c1ff0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.1501",
    "kind": "arxiv",
    "version": 1
  }
}