Pith Number

pith:VP3TB3LM

pith:2018:VP3TB3LMTBDUMAAUYLPC7D3IRS

not attested not anchored not stored refs pending

Left-eigenvectors are certificates of the Orbit Problem

Peter Habermehl, Saddek Bensalem, Steven de Oliveira, Virgile Prevosto

arxiv:1803.09511 v1 · 2018-03-26 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VP3TB3LMTBDUMAAUYLPC7D3IRS}

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	2026-05-18T00:20:11.314810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abf730ed6c9847460014c2de2f8f688cb7195bf80ba1b327cf0ffe3a26d49a3c

Aliases

arxiv: 1803.09511 · arxiv_version: 1803.09511v1 · doi: 10.48550/arxiv.1803.09511 · pith_short_12: VP3TB3LMTBDU · pith_short_16: VP3TB3LMTBDUMAAU · pith_short_8: VP3TB3LM

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/VP3TB3LMTBDUMAAUYLPC7D3IRS \
  | 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: abf730ed6c9847460014c2de2f8f688cb7195bf80ba1b327cf0ffe3a26d49a3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51fc21a9093d8b3d36b5a9e251cb43fa15643d1de31c76da349b0a706fce20ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-03-26T11:22:05Z",
    "title_canon_sha256": "4bfe7717981638a118ab1410ce64d1e8f1852d7c085e44cabf3b37b9e33b0443"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.09511",
    "kind": "arxiv",
    "version": 1
  }
}