Pith Number

pith:MDGQ2QFY

pith:2011:MDGQ2QFY66GPKXV4MFSFNOLWYS

not attested not anchored not stored refs pending

The size of the nucleosome

Jakob Bohr, Kasper Olsen

arxiv:1102.0761 v2 · 2011-02-03 · physics.bio-ph · cond-mat.soft · q-bio.BM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MDGQ2QFY66GPKXV4MFSFNOLWYS}

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	2026-05-18T02:22:40.776037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60cd0d40b8f78cf55ebc616456b976c4935bf7647505b60f30d971b47cfaa7a7

Aliases

arxiv: 1102.0761 · arxiv_version: 1102.0761v2 · doi: 10.48550/arxiv.1102.0761 · pith_short_12: MDGQ2QFY66GP · pith_short_16: MDGQ2QFY66GPKXV4 · pith_short_8: MDGQ2QFY

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/MDGQ2QFY66GPKXV4MFSFNOLWYS \
  | 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: 60cd0d40b8f78cf55ebc616456b976c4935bf7647505b60f30d971b47cfaa7a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c79f7bbbf1df2f15a3173a52834d74a5c03e918c5d713a62209b7284d00828a7",
    "cross_cats_sorted": [
      "cond-mat.soft",
      "q-bio.BM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2011-02-03T19:52:26Z",
    "title_canon_sha256": "caa3064ebaa1a650518383a3030bc610f8ed09fd3c8b2d7601af19d629507436"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.0761",
    "kind": "arxiv",
    "version": 2
  }
}