Pith Number

pith:Z45VBI2Y

pith:2016:Z45VBI2YRJAWBJRS47PEJFUHDS

not attested not anchored not stored refs pending

On computing tree and path decompositions with metric constraints on the bags

Guillaume Ducoffe, Nicolas Nisse, Sylvain Legay

arxiv:1601.01958 v1 · 2016-01-08 · cs.CC · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z45VBI2YRJAWBJRS47PEJFUHDS}

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	2026-05-18T01:23:10.969502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf3b50a3588a4160a632e7de4496871ca9fa582c5f6180e2e2a9f9a3755fa71c

Aliases

arxiv: 1601.01958 · arxiv_version: 1601.01958v1 · doi: 10.48550/arxiv.1601.01958 · pith_short_12: Z45VBI2YRJAW · pith_short_16: Z45VBI2YRJAWBJRS · pith_short_8: Z45VBI2Y

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/Z45VBI2YRJAWBJRS47PEJFUHDS \
  | 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: cf3b50a3588a4160a632e7de4496871ca9fa582c5f6180e2e2a9f9a3755fa71c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2065dc20a8078e1cfd5b3dd32f917e872d1cc7e15f8bb23c35e5f54e4e9b914c",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2016-01-08T17:57:40Z",
    "title_canon_sha256": "2f83f947706f818acbde1b7b21338c20dd4881254649df3edcda6c7a609cc8fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.01958",
    "kind": "arxiv",
    "version": 1
  }
}