Pith Number

pith:22FJAN4P

pith:2008:22FJAN4PPMZIRGNIDEYSYQEHXQ

not attested not anchored not stored refs pending

On the weak analogue of the Trotter-Kato theorem

Andras Sereny, Tanja Eisner

arxiv:0805.1027 v1 · 2008-05-07 · 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{22FJAN4PPMZIRGNIDEYSYQEHXQ}

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	2026-05-18T03:34:16.612990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d68a90378f7b328899a819312c4087bc017ea4a956ab1e9cb21c89e0e85a8ad2

Aliases

arxiv: 0805.1027 · arxiv_version: 0805.1027v1 · doi: 10.48550/arxiv.0805.1027 · pith_short_12: 22FJAN4PPMZI · pith_short_16: 22FJAN4PPMZIRGNI · pith_short_8: 22FJAN4P

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/22FJAN4PPMZIRGNIDEYSYQEHXQ \
  | 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: d68a90378f7b328899a819312c4087bc017ea4a956ab1e9cb21c89e0e85a8ad2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edcde1dce1a0e9036bc5c2822f098866eb6da9581bb7346154a994653ea4b7be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2008-05-07T17:19:28Z",
    "title_canon_sha256": "05c1c66059938b1e266c6f550374c5c092a2d25d8dc65dff8b4df971221b1bf3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.1027",
    "kind": "arxiv",
    "version": 1
  }
}