Pith Number

pith:ORJ6JPI7

pith:2017:ORJ6JPI7FT2ZBUWQJSQDHPULKV

not attested not anchored not stored refs pending

Herbert Busemann (1905--1994). A biography for his Selected Works edition

Athanase Papadopoulos (IRMA)

arxiv:1710.05591 v1 · 2017-10-16 · math.HO · math.GT · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ORJ6JPI7FT2ZBUWQJSQDHPULKV}

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	2026-05-18T00:32:48.801730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7453e4bd1f2cf590d2d04ca033be8b556516f88be2ee4060260f4fa81d51d934

Aliases

arxiv: 1710.05591 · arxiv_version: 1710.05591v1 · doi: 10.48550/arxiv.1710.05591 · pith_short_12: ORJ6JPI7FT2Z · pith_short_16: ORJ6JPI7FT2ZBUWQ · pith_short_8: ORJ6JPI7

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/ORJ6JPI7FT2ZBUWQJSQDHPULKV \
  | 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: 7453e4bd1f2cf590d2d04ca033be8b556516f88be2ee4060260f4fa81d51d934

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f6d5bb74c8f11b7be23380c0ed6f17e1902e7e209bc102d8c16f3b5fd0185f9",
    "cross_cats_sorted": [
      "math.GT",
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2017-10-16T09:38:26Z",
    "title_canon_sha256": "4e6a4f0491cc092dfce3f252bc0b2cbeb6507fda91040deb101e9014d459e543"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.05591",
    "kind": "arxiv",
    "version": 1
  }
}