Pith Number

pith:NIETJWUB

pith:2014:NIETJWUBUP7V34TBT5JPLXE4EQ

not attested not anchored not stored refs pending

Superhighness

Andr\'e Nies, Bj{\o}rn Kjos-Hanssen

arxiv:1408.2845 v1 · 2014-08-12 · math.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{NIETJWUBUP7V34TBT5JPLXE4EQ}

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	2026-05-18T02:45:21.175661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a0934da81a3ff5df2619f52f5dc9c2425571cd29c8b42540969e97af0cf9f30

Aliases

arxiv: 1408.2845 · arxiv_version: 1408.2845v1 · doi: 10.48550/arxiv.1408.2845 · pith_short_12: NIETJWUBUP7V · pith_short_16: NIETJWUBUP7V34TB · pith_short_8: NIETJWUB

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/NIETJWUBUP7V34TBT5JPLXE4EQ \
  | 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: 6a0934da81a3ff5df2619f52f5dc9c2425571cd29c8b42540969e97af0cf9f30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4163d9682ee80f5017460c5841579d6e1685850678033b1ac58032c38c88402f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2014-08-12T20:34:15Z",
    "title_canon_sha256": "0a0e006332719429eb919dff3e94eacccc2c51489aa6598ef96f852889b3f966"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.2845",
    "kind": "arxiv",
    "version": 1
  }
}