Pith Number

pith:2FNHRBYQ

pith:2011:2FNHRBYQ6TM7ZJZQVGYCOD7UQ7

not attested not anchored not stored refs pending

Tolerant identification with Euclidean balls

Aline Parreau (IF), Tero Laihonen, Ville Junnila

arxiv:1109.1913 v3 · 2011-09-09 · cs.IT · cs.DM · math.CO · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2FNHRBYQ6TM7ZJZQVGYCOD7UQ7}

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	2026-05-18T04:01:01.860850Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d15a788710f4d9fca730a9b0270ff487d5b7349bdff3bd21163815693a520f7e

Aliases

arxiv: 1109.1913 · arxiv_version: 1109.1913v3 · doi: 10.48550/arxiv.1109.1913 · pith_short_12: 2FNHRBYQ6TM7 · pith_short_16: 2FNHRBYQ6TM7ZJZQ · pith_short_8: 2FNHRBYQ

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/2FNHRBYQ6TM7ZJZQVGYCOD7UQ7 \
  | 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: d15a788710f4d9fca730a9b0270ff487d5b7349bdff3bd21163815693a520f7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bb0d1bf03edc13e3a45582af0c2fa5a745a7c9dd347f2a68e4e4cf36dd78f8d",
    "cross_cats_sorted": [
      "cs.DM",
      "math.CO",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-09-09T06:49:16Z",
    "title_canon_sha256": "53b9d2cc3ce7f70f0c183cead4552898d5056fe55249293c965e92c31ed6cfca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.1913",
    "kind": "arxiv",
    "version": 3
  }
}