Pith Number

pith:YVT2HBR4

pith:2015:YVT2HBR4XM2BLG5HR2ZNT2ENF3

not attested not anchored not stored refs pending

Crossings as a side effect of dependency lengths

Carlos G\'omez-Rodr\'iguez, Ramon Ferrer-i-Cancho

arxiv:1508.06451 v2 · 2015-08-26 · cs.CL · cs.SI · physics.soc-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{YVT2HBR4XM2BLG5HR2ZNT2ENF3}

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	2026-05-18T00:28:07.470375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c567a3863cbb34159ba78eb2d9e88d2ed4ef5fc79b95c691c26784cb22cefcf6

Aliases

arxiv: 1508.06451 · arxiv_version: 1508.06451v2 · doi: 10.48550/arxiv.1508.06451 · pith_short_12: YVT2HBR4XM2B · pith_short_16: YVT2HBR4XM2BLG5H · pith_short_8: YVT2HBR4

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/YVT2HBR4XM2BLG5HR2ZNT2ENF3 \
  | 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: c567a3863cbb34159ba78eb2d9e88d2ed4ef5fc79b95c691c26784cb22cefcf6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2932ee79a4fee3a2a5b22657978174ce1d2ddd3c9aa8ade558968fd1b4d89c65",
    "cross_cats_sorted": [
      "cs.SI",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2015-08-26T11:39:18Z",
    "title_canon_sha256": "af3457af3c7167d43b6523470c9013c1dc6495ca70a0f4c766c9b26be91ea7e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.06451",
    "kind": "arxiv",
    "version": 2
  }
}