Pith Number

pith:NDJ6TDYC

pith:2017:NDJ6TDYCTJMACDU4XBSRMYXYY4

not attested not anchored not stored refs pending

Recognizing the real line

A. M. W. Glass, John S. Wilson

arxiv:1701.07235 v1 · 2017-01-25 · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NDJ6TDYCTJMACDU4XBSRMYXYY4}

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	2026-05-18T00:52:07.095045Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68d3e98f029a58010e9cb8651662f8c70aa58cb2666f713a0c3c447d15c770ba

Aliases

arxiv: 1701.07235 · arxiv_version: 1701.07235v1 · doi: 10.48550/arxiv.1701.07235 · pith_short_12: NDJ6TDYCTJMA · pith_short_16: NDJ6TDYCTJMACDU4 · pith_short_8: NDJ6TDYC

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/NDJ6TDYCTJMACDU4XBSRMYXYY4 \
  | 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: 68d3e98f029a58010e9cb8651662f8c70aa58cb2666f713a0c3c447d15c770ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e7133a75ff32b099dc50cbf16892e6ce931efc42c08d0aa066fc57b0a98235b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2017-01-25T10:09:30Z",
    "title_canon_sha256": "917b9e324a9be39c152375af02fcbab7b2d3e30d1c70f0da4799d3beb4ceb487"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.07235",
    "kind": "arxiv",
    "version": 1
  }
}