Pith Number

pith:EFM4SEFH

pith:2022:EFM4SEFHWDNK7PWCGDZZ2YSE7F

not attested not anchored not stored refs pending

Widths and rigidity

Yuri Malykhin

arxiv:2205.03453 v3 · 2022-05-06 · 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{EFM4SEFHWDNK7PWCGDZZ2YSE7F}

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	2026-07-05T07:38:24.097394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2159c910a7b0daafbec230f39d6244f94bada2595bcde57a183aadb6b86181c5

Aliases

arxiv: 2205.03453 · arxiv_version: 2205.03453v3 · doi: 10.48550/arxiv.2205.03453 · pith_short_12: EFM4SEFHWDNK · pith_short_16: EFM4SEFHWDNK7PWC · pith_short_8: EFM4SEFH

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/EFM4SEFHWDNK7PWCGDZZ2YSE7F \
  | 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: 2159c910a7b0daafbec230f39d6244f94bada2595bcde57a183aadb6b86181c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dac3782944b139b9a9918f3ae0de0a7a0866b1f5dc7921fb4dbe913ef9c28e13",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2022-05-06T19:18:20Z",
    "title_canon_sha256": "758c3b5eae09c18144c0f25f007b909703bdba3b33234d588c6f6b9c77684707"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.03453",
    "kind": "arxiv",
    "version": 3
  }
}