Pith Number

pith:4U2K4YK6

pith:2014:4U2K4YK6IXZCDVY5GSEOZNWFXL

not attested not anchored not stored refs pending

Further remarks on the "Smith is Huq" condition

Nelson Martins-Ferreira, Tim Van der Linden

arxiv:1401.5604 v1 · 2014-01-22 · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4U2K4YK6IXZCDVY5GSEOZNWFXL}

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	2026-05-18T01:37:05.888040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e534ae615e45f221d71d3488ecb6c5bacbd711091bd8aa7009de797168e8ae4c

Aliases

arxiv: 1401.5604 · arxiv_version: 1401.5604v1 · doi: 10.48550/arxiv.1401.5604 · pith_short_12: 4U2K4YK6IXZC · pith_short_16: 4U2K4YK6IXZCDVY5 · pith_short_8: 4U2K4YK6

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/4U2K4YK6IXZCDVY5GSEOZNWFXL \
  | 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: e534ae615e45f221d71d3488ecb6c5bacbd711091bd8aa7009de797168e8ae4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5a404f365d5cfa3cfa7cbea768f074ed08a10cc060d707c020dd8c6fa1f566e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2014-01-22T09:58:07Z",
    "title_canon_sha256": "7ccff59e77922e3d090cfccb483e4423b443ce42d292f6c0a26dd0ac5b4d6e67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.5604",
    "kind": "arxiv",
    "version": 1
  }
}