Pith Number

pith:P52T4BJI

pith:2009:P52T4BJIUD2722LVV5FBYHYWKH

not attested not anchored not stored refs pending

Non-bicolourable Finite Configurations of Rays and Their Deformations

Artur Ruuge

arxiv:0906.2693 v1 · 2009-06-15 · quant-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{P52T4BJIUD2722LVV5FBYHYWKH}

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	2026-05-18T02:13:20.087337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f753e0528a0f5fd6975af4a1c1f1651dd6ce3ff17de74f7f6a94f695b869f5e

Aliases

arxiv: 0906.2693 · arxiv_version: 0906.2693v1 · doi: 10.48550/arxiv.0906.2693 · pith_short_12: P52T4BJIUD27 · pith_short_16: P52T4BJIUD2722LV · pith_short_8: P52T4BJI

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/P52T4BJIUD2722LVV5FBYHYWKH \
  | 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: 7f753e0528a0f5fd6975af4a1c1f1651dd6ce3ff17de74f7f6a94f695b869f5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02229d4e1878c6fa14760b9428e62a71dfd0d139a7342e10a0bd4405d442c766",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-06-15T13:57:48Z",
    "title_canon_sha256": "0f34485640397462cf6641bb1de931196fab53818a36299291fffc5645519c98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.2693",
    "kind": "arxiv",
    "version": 1
  }
}