Pith Number

pith:IYVDRDEV

pith:2017:IYVDRDEVVT6BXVSKICKOFDSUUS

not attested not anchored not stored refs pending

Fixed-point property for affine actions on a Hilbert space

Shin Nayatani

arxiv:1705.02644 v1 · 2017-05-07 · math.GR · math.DG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IYVDRDEVVT6BXVSKICKOFDSUUS}

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	2026-05-18T00:44:56.015200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

462a388c95acfc1bd64a4094e28e54a4a332c07ab3943eec0093d35088e713ec

Aliases

arxiv: 1705.02644 · arxiv_version: 1705.02644v1 · doi: 10.48550/arxiv.1705.02644 · pith_short_12: IYVDRDEVVT6B · pith_short_16: IYVDRDEVVT6BXVSK · pith_short_8: IYVDRDEV

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/IYVDRDEVVT6BXVSKICKOFDSUUS \
  | 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: 462a388c95acfc1bd64a4094e28e54a4a332c07ab3943eec0093d35088e713ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6354b1b342e48d0959677419f03791156e9afc4447474365647c22ad48149545",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2017-05-07T16:07:38Z",
    "title_canon_sha256": "2507007906afe68de9a3f675c6ca9f70e24ad139de1efbc33b54255d1a3e1641"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.02644",
    "kind": "arxiv",
    "version": 1
  }
}