Pith Number

pith:6AQIEYRL

pith:2013:6AQIEYRLXTFGPVZQXTXVCGFJM2

not attested not anchored not stored refs pending

On the Complexity of the Orbit Problem

James Worrell, Jo\"el Ouaknine, Ventsislav Chonev

arxiv:1303.2981 v3 · 2013-03-12 · 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{6AQIEYRLXTFGPVZQXTXVCGFJM2}

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	2026-05-18T01:12:02.045833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f02082622bbcca67d730bcef5118a966b3aca98895a21715b27d702b8d50a995

Aliases

arxiv: 1303.2981 · arxiv_version: 1303.2981v3 · doi: 10.48550/arxiv.1303.2981 · pith_short_12: 6AQIEYRLXTFG · pith_short_16: 6AQIEYRLXTFGPVZQ · pith_short_8: 6AQIEYRL

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/6AQIEYRLXTFGPVZQXTXVCGFJM2 \
  | 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: f02082622bbcca67d730bcef5118a966b3aca98895a21715b27d702b8d50a995

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ddea861e1d1c2761807ac552cd11812b7e52bd7863249ef97a598598de3fe31",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2013-03-12T18:35:29Z",
    "title_canon_sha256": "bb2e41f84d0b19a7c89dba18a31b3d88c0c1f81a805d6d0537593ee856ccdf9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2981",
    "kind": "arxiv",
    "version": 3
  }
}