Pith Number

pith:F7SFHQ2N

pith:2014:F7SFHQ2NFEY5KTNZZHL5B34C6J

not attested not anchored not stored refs pending

Building Cantor's Bijection

Laurent Simons, Samuel Nicolay

arxiv:1409.1755 v1 · 2014-08-28 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F7SFHQ2NFEY5KTNZZHL5B34C6J}

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	2026-05-18T02:43:25.288939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fe453c34d2931d54db9c9d7d0ef82f2475797103615b8f0da54ec0d2783a308

Aliases

arxiv: 1409.1755 · arxiv_version: 1409.1755v1 · doi: 10.48550/arxiv.1409.1755 · pith_short_12: F7SFHQ2NFEY5 · pith_short_16: F7SFHQ2NFEY5KTNZ · pith_short_8: F7SFHQ2N

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/F7SFHQ2NFEY5KTNZZHL5B34C6J \
  | 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: 2fe453c34d2931d54db9c9d7d0ef82f2475797103615b8f0da54ec0d2783a308

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64fcc1eba5f5990b836353e88a0b0b6f56e880ba8dc6028ee205efa8c3d58a28",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2014-08-28T05:56:17Z",
    "title_canon_sha256": "81b7ad1025043086bcb437b5a7c26c595766e73bf93b95f46dd0ed921b52ffcc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.1755",
    "kind": "arxiv",
    "version": 1
  }
}