Pith Number

pith:RXRHH5T7

pith:2008:RXRHH5T7TEVKIS3NTHKVTEGFXH

not attested not anchored not stored refs pending

Discontinuities at the DNA supercoiling transition

Bryan C. Daniels, James P. Sethna, Maxim Y. Sheinin, Michelle D. Wang, Scott Forth

arxiv:0811.3645 v2 · 2008-11-21 · 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{RXRHH5T7TEVKIS3NTHKVTEGFXH}

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	2026-05-18T04:26:54.825103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8de273f67f992aa44b6d99d55990c5b9ee0aaecdf4b05395add63040b4e77d6a

Aliases

arxiv: 0811.3645 · arxiv_version: 0811.3645v2 · doi: 10.48550/arxiv.0811.3645 · pith_short_12: RXRHH5T7TEVK · pith_short_16: RXRHH5T7TEVKIS3N · pith_short_8: RXRHH5T7

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/RXRHH5T7TEVKIS3NTHKVTEGFXH \
  | 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: 8de273f67f992aa44b6d99d55990c5b9ee0aaecdf4b05395add63040b4e77d6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07ca56d7cae914ab0a3788f7e51053e662a82db13d8d57272c6787758071e4bf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.BM",
    "submitted_at": "2008-11-21T22:37:08Z",
    "title_canon_sha256": "1ec39d7df66d27519c0cab09f105e958797e75694f2e1ed37344d66a84a9e758"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.3645",
    "kind": "arxiv",
    "version": 2
  }
}