pith. sign in
Pith Number

pith:KU62FDGV

pith:2002:KU62FDGV2IE7KU666DKZJL4MBQ
not attested not anchored not stored refs pending

Opening of DNA double strands by helicases. Active versus passive opening

F. Julicher, M. D. Betterton

arxiv:physics/0212045 v1 · 2002-12-10 · physics.bio-ph · cond-mat.soft · q-bio.BM

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{KU62FDGV2IE7KU666DKZJL4MBQ}

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 2026-05-18T04:08:52.754988Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

553da28cd5d209f553def0d594af8c0c1839b2c5a7c3c6c9de9d351cd6000952

Aliases

arxiv: physics/0212045 · arxiv_version: physics/0212045v1 · doi: 10.48550/arxiv.physics/0212045 · pith_short_12: KU62FDGV2IE7 · pith_short_16: KU62FDGV2IE7KU66 · pith_short_8: KU62FDGV
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/KU62FDGV2IE7KU666DKZJL4MBQ \
  | 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: 553da28cd5d209f553def0d594af8c0c1839b2c5a7c3c6c9de9d351cd6000952
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "19182ad10f044e4e2e41ae81651d9b2fdd8d48b4cdf994dbb2e43eee8dd262c7",
    "cross_cats_sorted": [
      "cond-mat.soft",
      "q-bio.BM"
    ],
    "license": "",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2002-12-10T23:13:40Z",
    "title_canon_sha256": "c93ceccec19b0b45781cc45aae096b614938769e367ae6fd5f7a823f9e50a590"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0212045",
    "kind": "arxiv",
    "version": 1
  }
}