Pith Number

pith:PWYJXDQT

pith:2016:PWYJXDQTRZEPPAV4U6SZUMUZD4

not attested not anchored not stored refs pending

The contraction principle in extended context

Mih\'aly Bessenyei

arxiv:1605.03950 v1 · 2016-05-12 · 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{PWYJXDQTRZEPPAV4U6SZUMUZD4}

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	2026-05-18T01:14:59.173154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7db09b8e138e48f782bca7a59a32991f1d43e1e3bead948d3a4c01873e6c693f

Aliases

arxiv: 1605.03950 · arxiv_version: 1605.03950v1 · doi: 10.48550/arxiv.1605.03950 · pith_short_12: PWYJXDQTRZEP · pith_short_16: PWYJXDQTRZEPPAV4 · pith_short_8: PWYJXDQT

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/PWYJXDQTRZEPPAV4U6SZUMUZD4 \
  | 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: 7db09b8e138e48f782bca7a59a32991f1d43e1e3bead948d3a4c01873e6c693f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfcb1cfa954c12d16d89651831dd01079c361d6af7427c602dadd0ff8acd6fd1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2016-05-12T19:40:59Z",
    "title_canon_sha256": "96d8ce54fddb2a866468334962dce607500cc014b806a369cd8813fcdc0ac8e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.03950",
    "kind": "arxiv",
    "version": 1
  }
}