Pith Number

pith:7ERWQGIF

pith:2017:7ERWQGIFCHBHP43IM725QK4JDQ

not attested not anchored not stored refs pending

Note on a kind of Bishop-Phelps-Bollob\'as property for operators

Jarno Talponen

arxiv:1707.03251 v1 · 2017-07-11 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7ERWQGIFCHBHP43IM725QK4JDQ}

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	2026-05-18T00:40:29.500577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f92368190511c277f36867f5d82b891c19ec79c32ccfc07135dc80e06c531678

Aliases

arxiv: 1707.03251 · arxiv_version: 1707.03251v1 · doi: 10.48550/arxiv.1707.03251 · pith_short_12: 7ERWQGIFCHBH · pith_short_16: 7ERWQGIFCHBHP43I · pith_short_8: 7ERWQGIF

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/7ERWQGIFCHBHP43IM725QK4JDQ \
  | 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: f92368190511c277f36867f5d82b891c19ec79c32ccfc07135dc80e06c531678

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "926c115bbc991f6b8fdb13071f08d49e9325d4fa424105f12d8570b8514197be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2017-07-11T12:54:29Z",
    "title_canon_sha256": "0f2ecf97594c8e4ac6fa6f989e42c75e3e663062df453933b33707d90278ab6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.03251",
    "kind": "arxiv",
    "version": 1
  }
}