Pith Number

pith:QIOTBXNM

pith:2017:QIOTBXNMTILGJ45OXM7DDZ5D7H

not attested not anchored not stored refs pending

Coarse embeddings into superstable spaces

Andrew Swift, Bruno de Mendon\c{c}a Braga

arxiv:1704.04468 v2 · 2017-04-14 · 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{QIOTBXNMTILGJ45OXM7DDZ5D7H}

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	2026-05-18T00:20:27.556100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

821d30ddac9a1664f3aebb3e31e7a3f9ece03f992ae217f6d187039a26730ea3

Aliases

arxiv: 1704.04468 · arxiv_version: 1704.04468v2 · doi: 10.48550/arxiv.1704.04468 · pith_short_12: QIOTBXNMTILG · pith_short_16: QIOTBXNMTILGJ45O · pith_short_8: QIOTBXNM

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/QIOTBXNMTILGJ45OXM7DDZ5D7H \
  | 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: 821d30ddac9a1664f3aebb3e31e7a3f9ece03f992ae217f6d187039a26730ea3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f356086a7bee1b2904ef0244e0d297c26f3ddacbafc03f0562c20944a47ef877",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2017-04-14T16:17:34Z",
    "title_canon_sha256": "4d7bb838e8c17a5081966b3d3f7082ab0dd82cb7f0c3a6edf30e66d515c60c62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.04468",
    "kind": "arxiv",
    "version": 2
  }
}