Pith Number

pith:4OEAACVC

pith:2011:4OEAACVC74YGUR34WIY37XL5KP

not attested not anchored not stored refs pending

Cayley Configuration Spaces of 1-dof Tree-decomposable Linkages, Part II: Combinatorial Characterization of Complexity

Heping Gao, Meera Sitharam, Menghan Wang

arxiv:1112.6009 v4 · 2011-12-27 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4OEAACVC74YGUR34WIY37XL5KP}

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	2026-05-18T02:21:26.911197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e388000aa2ff306a477cb231bfdd7d53db242113b609c8da9cfc6d2da0f32e8c

Aliases

arxiv: 1112.6009 · arxiv_version: 1112.6009v4 · doi: 10.48550/arxiv.1112.6009 · pith_short_12: 4OEAACVC74YG · pith_short_16: 4OEAACVC74YGUR34 · pith_short_8: 4OEAACVC

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/4OEAACVC74YGUR34WIY37XL5KP \
  | 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: e388000aa2ff306a477cb231bfdd7d53db242113b609c8da9cfc6d2da0f32e8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e5841a7b0cb6ac9750a329eec68a26527f36f9785d373958060a04442d44b0f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2011-12-27T19:38:42Z",
    "title_canon_sha256": "7f1a5b2fb06fe947d9eff1cf67dda309a1de88162dbbf19b5167902a453a7ef4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.6009",
    "kind": "arxiv",
    "version": 4
  }
}