Pith Number

pith:BBTZYZUL

pith:2014:BBTZYZULM73FDXERH56CKA4ROU

not attested not anchored not stored refs pending

Measures of scalability

Friedrich Philipp, Gitta Kutyniok, Kasso A. Okoudjou, Rongrong Wang, Xuemei Chen

arxiv:1406.2137 v1 · 2014-06-09 · math.FA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BBTZYZULM73FDXERH56CKA4ROU}

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	2026-05-18T02:50:11.483900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08679c668b67f651dc913f7c2503917539bb6aee7d65c8c006cb046eb37ae6bd

Aliases

arxiv: 1406.2137 · arxiv_version: 1406.2137v1 · doi: 10.48550/arxiv.1406.2137 · pith_short_12: BBTZYZULM73F · pith_short_16: BBTZYZULM73FDXER · pith_short_8: BBTZYZUL

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/BBTZYZULM73FDXERH56CKA4ROU \
  | 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: 08679c668b67f651dc913f7c2503917539bb6aee7d65c8c006cb046eb37ae6bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7165739ddcbaeda048644525aea59ac3d366672a4bf30cf17d7d8c1da4e1bb45",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2014-06-09T10:55:45Z",
    "title_canon_sha256": "fa7d20ebcb2e07d52cc94751efe73ed655169b6755006f937de2ba66b81974b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.2137",
    "kind": "arxiv",
    "version": 1
  }
}