Pith Number

pith:7LMKQAAC

pith:2015:7LMKQAACDM4CTFWD2GFHPOT2EI

not attested not anchored not stored refs pending

On the History of Number Line

Galina Sinkevich

arxiv:1503.03117 v1 · 2015-03-02 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7LMKQAACDM4CTFWD2GFHPOT2EI}

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	2026-05-18T00:32:51.439273Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fad8a800021b382996c3d18a77ba7a2233e3703d6216e76217445b56889efe79

Aliases

arxiv: 1503.03117 · arxiv_version: 1503.03117v1 · doi: 10.48550/arxiv.1503.03117 · pith_short_12: 7LMKQAACDM4C · pith_short_16: 7LMKQAACDM4CTFWD · pith_short_8: 7LMKQAAC

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/7LMKQAACDM4CTFWD2GFHPOT2EI \
  | 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: fad8a800021b382996c3d18a77ba7a2233e3703d6216e76217445b56889efe79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de128d72ec45cb7bca4b912ea36d174b66e01753ca22106baeecccd2a3fb17a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2015-03-02T17:22:11Z",
    "title_canon_sha256": "f25f3d9837d494574a595b4909c6a2dbc5d13c332670e6f3a8688424b00812e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.03117",
    "kind": "arxiv",
    "version": 1
  }
}