Pith Number

pith:H4DRCBIS

pith:2011:H4DRCBISFJSBZR6X3FPUF27W7M

not attested not anchored not stored refs pending

R-Orbit Reflexive Operators

Don Hadwin, Hassan Yousefi, Ileana Ionascu

arxiv:1112.1904 v1 · 2011-12-08 · 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{H4DRCBISFJSBZR6X3FPUF27W7M}

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	2026-05-18T04:06:45.381776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f071105122a641cc7d7d95f42ebf6fb1edd0dd9560b612604371015d939883e

Aliases

arxiv: 1112.1904 · arxiv_version: 1112.1904v1 · doi: 10.48550/arxiv.1112.1904 · pith_short_12: H4DRCBISFJSB · pith_short_16: H4DRCBISFJSBZR6X · pith_short_8: H4DRCBIS

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/H4DRCBISFJSBZR6X3FPUF27W7M \
  | 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: 3f071105122a641cc7d7d95f42ebf6fb1edd0dd9560b612604371015d939883e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d9a6a207b55deb0d0ad8d96e1eaaa43aacc5a7ee21781acb17163d23ad9b638",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2011-12-08T18:30:41Z",
    "title_canon_sha256": "acadc1cb6384abcd0602f3b798884b7145bad9a3f5a694068a7ef038f4c1de48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1904",
    "kind": "arxiv",
    "version": 1
  }
}