Pith Number

pith:3B5K25A6

pith:2019:3B5K25A6E6TIP54YRWMK7AC445

not attested not anchored not stored refs pending

Spectrally reasonable measures II

Micha{\l} Wojciechowski, Przemys{\l}aw Ohrysko

arxiv:1903.04853 v1 · 2019-03-12 · 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{3B5K25A6E6TIP54YRWMK7AC445}

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	2026-05-17T23:51:28.535521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d87aad741e27a687f7988d98af805ce7733e8b29cbaca96708d075a088a154f3

Aliases

arxiv: 1903.04853 · arxiv_version: 1903.04853v1 · doi: 10.48550/arxiv.1903.04853 · pith_short_12: 3B5K25A6E6TI · pith_short_16: 3B5K25A6E6TIP54Y · pith_short_8: 3B5K25A6

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/3B5K25A6E6TIP54YRWMK7AC445 \
  | 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: d87aad741e27a687f7988d98af805ce7733e8b29cbaca96708d075a088a154f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c0086f5ca0e1d232d2a2817de344ccbb18a2d91676c2ff6310aa3db0c6915d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2019-03-12T11:38:16Z",
    "title_canon_sha256": "cd354c91476c50ef5d64dd1de4f486ab2bf7e219e240c3d124246066a17d0118"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.04853",
    "kind": "arxiv",
    "version": 1
  }
}