Pith Number

pith:M77RMTZY

pith:2018:M77RMTZYGTD6TSYIN5QETP7PJJ

not attested not anchored not stored refs pending

A note on nonlinear isometries between vector-valued function spaces

Arya Jamshidi, Fereshteh Sady

arxiv:1804.01499 v1 · 2018-04-04 · 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{M77RMTZYGTD6TSYIN5QETP7PJJ}

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	2026-05-18T00:08:20.876058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67ff164f3834c7e9cb086f6049bfef4a43c107871bddd0e86bbc1d6ce4aa6333

Aliases

arxiv: 1804.01499 · arxiv_version: 1804.01499v1 · doi: 10.48550/arxiv.1804.01499 · pith_short_12: M77RMTZYGTD6 · pith_short_16: M77RMTZYGTD6TSYI · pith_short_8: M77RMTZY

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/M77RMTZYGTD6TSYIN5QETP7PJJ \
  | 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: 67ff164f3834c7e9cb086f6049bfef4a43c107871bddd0e86bbc1d6ce4aa6333

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d280699175c4f069b1dc0cdaff8add8910c825c93fc165379a0465b1746e67ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-04-04T16:36:29Z",
    "title_canon_sha256": "ca769d1d045a3bb914a8c6ebd1eb76954db3aecad6d2e49255c0a4bd0849b912"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.01499",
    "kind": "arxiv",
    "version": 1
  }
}