Pith Number

pith:FBVZSSKT

pith:2009:FBVZSSKTF4POQS27FISJZMXYRJ

not attested not anchored not stored refs pending

Two Perspectives on the Twist of DNA

Irwin Tobias, Lauren A. Britton, Wilma K. Olson

arxiv:0903.1657 v1 · 2009-03-09 · 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{FBVZSSKTF4POQS27FISJZMXYRJ}

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	2026-05-18T02:14:36.337242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

286b9949532f1ee84b5f2a249cb2f88a472e9b0ee33b2bc13292d57ec770fbdb

Aliases

arxiv: 0903.1657 · arxiv_version: 0903.1657v1 · doi: 10.48550/arxiv.0903.1657 · pith_short_12: FBVZSSKTF4PO · pith_short_16: FBVZSSKTF4POQS27 · pith_short_8: FBVZSSKT

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/FBVZSSKTF4POQS27FISJZMXYRJ \
  | 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: 286b9949532f1ee84b5f2a249cb2f88a472e9b0ee33b2bc13292d57ec770fbdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b5311666e8b519ae525895fb1f5d15326b975d3e50786980a3053d1855c5fc6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.BM",
    "submitted_at": "2009-03-09T22:06:28Z",
    "title_canon_sha256": "82efa7ae04764f26fb86bb8330293b959f094eba17049a039342d18fc8697d2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.1657",
    "kind": "arxiv",
    "version": 1
  }
}