Pith Number

pith:YFXC6ZYR

pith:1992:YFXC6ZYRK25EU2PO5HG62FKKNJ

not attested not anchored not stored refs pending

More smoothly real compact spaces

Andreas Kriegl, Peter W. Michor

arxiv:math/9206204 v1 · 1992-06-01 · 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{YFXC6ZYRK25EU2PO5HG62FKKNJ}

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	2026-05-18T01:05:52.750662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c16e2f671156ba4a69eee9cded154a6a6d87e18f3b499e314081302f38a2425e

Aliases

arxiv: math/9206204 · arxiv_version: math/9206204v1 · doi: 10.48550/arxiv.math/9206204 · pith_short_12: YFXC6ZYRK25E · pith_short_16: YFXC6ZYRK25EU2PO · pith_short_8: YFXC6ZYR

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/YFXC6ZYRK25EU2PO5HG62FKKNJ \
  | 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: c16e2f671156ba4a69eee9cded154a6a6d87e18f3b499e314081302f38a2425e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90f7e87e9c584b35165ef884e87061b86ef8dcf91b8a0f035b7ebd17350691b0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.FA",
    "submitted_at": "1992-06-01T00:00:00Z",
    "title_canon_sha256": "e1d1a8b3c0220adc9dd722ed612d44fdb976cb743803e6d1e94ff25ff35ab7c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9206204",
    "kind": "arxiv",
    "version": 1
  }
}