Pith Number

pith:C4FZSCMG

pith:2015:C4FZSCMGRUZ3DJE245IZFYRAEY

not attested not anchored not stored refs pending

$\mathcal A$-compact mappings

Pablo Turco

arxiv:1505.08037 v2 · 2015-05-29 · 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{C4FZSCMGRUZ3DJE245IZFYRAEY}

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	2026-05-18T01:22:07.983820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

170b9909868d33b1a49ae75192e22026291bb6a59341a726375ceacb7b040322

Aliases

arxiv: 1505.08037 · arxiv_version: 1505.08037v2 · doi: 10.48550/arxiv.1505.08037 · pith_short_12: C4FZSCMGRUZ3 · pith_short_16: C4FZSCMGRUZ3DJE2 · pith_short_8: C4FZSCMG

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/C4FZSCMGRUZ3DJE245IZFYRAEY \
  | 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: 170b9909868d33b1a49ae75192e22026291bb6a59341a726375ceacb7b040322

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b4b437c5423ec50be9c42c922936982e219c5214852139ae946ed32c4ee7e6b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2015-05-29T13:38:05Z",
    "title_canon_sha256": "6d046c82869a8bfb2d32eabd694d5f8e87c0f7f82e1f9196e2b122eb63a62ca4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.08037",
    "kind": "arxiv",
    "version": 2
  }
}