Pith Number

pith:47IJK5VW

pith:2017:47IJK5VW2QJKTLMBSLSZU6TISX

not attested not anchored not stored refs pending

Bounded time computation on metric spaces and Banach spaces

Florian Steinberg, Matthias Schr\"oder

arxiv:1701.02274 v2 · 2017-01-09 · cs.LO · cs.CC · 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{47IJK5VW2QJKTLMBSLSZU6TISX}

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	2026-05-18T00:47:42.180192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7d09576b6d412a9ad8192e59a7a6895d3a73bc208e021a30166c6b4dd8340e1

Aliases

arxiv: 1701.02274 · arxiv_version: 1701.02274v2 · doi: 10.48550/arxiv.1701.02274 · pith_short_12: 47IJK5VW2QJK · pith_short_16: 47IJK5VW2QJKTLMB · pith_short_8: 47IJK5VW

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/47IJK5VW2QJKTLMBSLSZU6TISX \
  | 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: e7d09576b6d412a9ad8192e59a7a6895d3a73bc208e021a30166c6b4dd8340e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8968123c91e15e7d7263b947454e9281a4d4bade74d81441091ddd2b2d9504cc",
    "cross_cats_sorted": [
      "cs.CC",
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2017-01-09T17:42:12Z",
    "title_canon_sha256": "240b859d705eb694f41d43a3e637b9c026d1fbba6a781e7598fe6d351d4cf0c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.02274",
    "kind": "arxiv",
    "version": 2
  }
}