Pith Number

pith:RC2CPEKI

pith:1992:RC2CPEKIA3QGVRK5HRZUHFQASU

not attested not anchored not stored refs pending

A convenient setting for real analytic mappings

Andreas Kriegl, Peter W. Michor

arxiv:math/9201254 v1 · 1992-01-01 · math.FA · math.CA · 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{RC2CPEKIA3QGVRK5HRZUHFQASU}

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	2026-05-18T01:05:54.641016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88b427914806e06ac55d3c73439600953dda41cfe797b289ef9dc9bebedee22e

Aliases

arxiv: math/9201254 · arxiv_version: math/9201254v1 · doi: 10.48550/arxiv.math/9201254 · pith_short_12: RC2CPEKIA3QG · pith_short_16: RC2CPEKIA3QGVRK5 · pith_short_8: RC2CPEKI

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/RC2CPEKIA3QGVRK5HRZUHFQASU \
  | 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: 88b427914806e06ac55d3c73439600953dda41cfe797b289ef9dc9bebedee22e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d223141180ef8d91435ed9f2e3213a7eaffeb5d6d2ac077c8cb50406b75c8e3a",
    "cross_cats_sorted": [
      "math.CA",
      "math.DG"
    ],
    "license": "",
    "primary_cat": "math.FA",
    "submitted_at": "1992-01-01T00:00:00Z",
    "title_canon_sha256": "fd28c5f8d57090c6035fe8be5d667ea233ebfe12e1ad010c59cf1a88e885d854"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9201254",
    "kind": "arxiv",
    "version": 1
  }
}