Pith Number

pith:COZMTQDZ

pith:1994:COZMTQDZ5J5TPX72C25VOFM2X5

not attested not anchored not stored refs pending

Isometries of Hilbert space valued function spaces

Beata Randrianantoanina

arxiv:math/9411210 v1 · 1994-11-16 · 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{COZMTQDZ5J5TPX72C25VOFM2X5}

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	2026-05-18T01:05:50.895187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13b2c9c079ea7b37dffa16bb57159abf5dbe6cca4b7fb16b1b383364cb12b0d3

Aliases

arxiv: math/9411210 · arxiv_version: math/9411210v1 · doi: 10.48550/arxiv.math/9411210 · pith_short_12: COZMTQDZ5J5T · pith_short_16: COZMTQDZ5J5TPX72 · pith_short_8: COZMTQDZ

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/COZMTQDZ5J5TPX72C25VOFM2X5 \
  | 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: 13b2c9c079ea7b37dffa16bb57159abf5dbe6cca4b7fb16b1b383364cb12b0d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5643b3f0f4c6f0140a1e9e80f015cd8fff5c6c0aa08cae3a7421b40a77ef685",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.FA",
    "submitted_at": "1994-11-16T22:08:45Z",
    "title_canon_sha256": "bb36cd974b0e830c504fa01b4c6018dd568ef30d10d4e8b975fd9e8092e42c76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9411210",
    "kind": "arxiv",
    "version": 1
  }
}