Pith Number

pith:EYF3FXCL

pith:2013:EYF3FXCLJOHGDMD5DOFBOASTFL

not attested not anchored not stored refs pending

A note on partial isometries on pseudo-Hilbert spaces

Loredana Ciurdariu, P\u{a}storel Ga\c{s}par

arxiv:1302.3207 v1 · 2013-02-13 · 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{EYF3FXCLJOHGDMD5DOFBOASTFL}

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	2026-05-18T01:09:33.190349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

260bb2dc4b4b8e61b07d1b8a1702532ae0df0f2676c3ed999b04afc852338597

Aliases

arxiv: 1302.3207 · arxiv_version: 1302.3207v1 · doi: 10.48550/arxiv.1302.3207 · pith_short_12: EYF3FXCLJOHG · pith_short_16: EYF3FXCLJOHGDMD5 · pith_short_8: EYF3FXCL

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/EYF3FXCLJOHGDMD5DOFBOASTFL \
  | 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: 260bb2dc4b4b8e61b07d1b8a1702532ae0df0f2676c3ed999b04afc852338597

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95f1263d3af563b57b7448a6255765847f1429e33ecd13f48c20ad285c4cc85e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2013-02-13T20:23:32Z",
    "title_canon_sha256": "487c97704eb6fee7f3a65a34fc1768a3d649db9a73548da0d8f725dde2899bb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.3207",
    "kind": "arxiv",
    "version": 1
  }
}