pith. sign in
Pith Number

pith:L6NRGE73

pith:2019:L6NRGE73NPNP2I7WSQ2344VQNN
not attested not anchored not stored refs pending

Isometries of absolute order unit spaces

Amit Kumar, Anil Kumar Karn

arxiv:1903.05302 v1 · 2019-03-13 · math.FA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{L6NRGE73NPNP2I7WSQ2344VQNN}

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 2026-05-17T23:51:24.721477Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

5f9b1313fb6bdafd23f69435be72b06b58a617f25678069d8c9bcc06a2c6383b

Aliases

arxiv: 1903.05302 · arxiv_version: 1903.05302v1 · doi: 10.48550/arxiv.1903.05302 · pith_short_12: L6NRGE73NPNP · pith_short_16: L6NRGE73NPNP2I7W · pith_short_8: L6NRGE73
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/L6NRGE73NPNP2I7WSQ2344VQNN \
  | 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: 5f9b1313fb6bdafd23f69435be72b06b58a617f25678069d8c9bcc06a2c6383b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e8667353dd8dda056fa2ac8b166cd283643a8b55a1f812f4bf6162caa5ed73a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2019-03-13T03:52:56Z",
    "title_canon_sha256": "28e1a419c5a7d79a2c833d6e1d69ca5f905c04b631ed2cb9d20c4be323d36379"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05302",
    "kind": "arxiv",
    "version": 1
  }
}