Pith Number

pith:D5UH7X5C

pith:2015:D5UH7X5CIHJ53X2LIAYIPSHGC4

not attested not anchored not stored refs pending

Topological Patterns in Two-dimensional Gel Electrophoresis of DNA Knots

Davide Marenduzzo, Davide Michieletto, Enzo Orlandini

arxiv:1504.02327 v2 · 2015-04-09 · cond-mat.soft · physics.bio-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D5UH7X5CIHJ53X2LIAYIPSHGC4}

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	2026-05-18T01:20:46.643058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f687fdfa241d3dddf4b403087c8e61722db3daad6d1f1eb598792d8be2b800e

Aliases

arxiv: 1504.02327 · arxiv_version: 1504.02327v2 · doi: 10.48550/arxiv.1504.02327 · pith_short_12: D5UH7X5CIHJ5 · pith_short_16: D5UH7X5CIHJ53X2L · pith_short_8: D5UH7X5C

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/D5UH7X5CIHJ53X2LIAYIPSHGC4 \
  | 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: 1f687fdfa241d3dddf4b403087c8e61722db3daad6d1f1eb598792d8be2b800e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de7bcb6f196eb98d29af04f54a0955aea636b9a0ce9befb20a7174475f295b11",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2015-04-09T14:30:32Z",
    "title_canon_sha256": "521d9495864ef580faad2240e6c1c14f461c4e8fcd86d9dc37700ee10acf2918"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02327",
    "kind": "arxiv",
    "version": 2
  }
}