Pith Number

pith:4HBDU3SL

pith:2013:4HBDU3SLV7HOYSPGFGCTA2RSQU

not attested not anchored not stored refs pending

A short note on sign changes

G. K. Viswanadham, Jaban Meher, Karam Deo Shankhadhar

arxiv:1301.0883 v2 · 2013-01-05 · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4HBDU3SLV7HOYSPGFGCTA2RSQU}

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	2026-05-18T03:06:03.493719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1c23a6e4bafceec49e62985306a32850cd658e762f083ec78723aaf64f76b7a

Aliases

arxiv: 1301.0883 · arxiv_version: 1301.0883v2 · doi: 10.48550/arxiv.1301.0883 · pith_short_12: 4HBDU3SLV7HO · pith_short_16: 4HBDU3SLV7HOYSPG · pith_short_8: 4HBDU3SL

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/4HBDU3SLV7HOYSPGFGCTA2RSQU \
  | 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: e1c23a6e4bafceec49e62985306a32850cd658e762f083ec78723aaf64f76b7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc7dd434d48e95ec929b66e0f0403817679d81aa6d5d9cfeebac798972f37b4c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2013-01-05T09:29:16Z",
    "title_canon_sha256": "2eccfe8991e85126b1f0c30bb927bac77b1c8848077065ed40b7acb078c05041"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.0883",
    "kind": "arxiv",
    "version": 2
  }
}