Pith Number

pith:HMON6G2B

pith:2012:HMON6G2BWZHPLA2S556PY635QO

not attested not anchored not stored refs pending

Uncovering Ramanujan's "Lost" Notebook: An Oral History

Robert P. Schneider

arxiv:1208.2694 v7 · 2012-08-13 · math.HO · 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{HMON6G2BWZHPLA2S556PY635QO}

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	2026-05-18T03:43:52.009296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b1cdf1b41b64ef58352ef7cfc7b7d83852b31b7072e2675d808d05fcecf8ab5

Aliases

arxiv: 1208.2694 · arxiv_version: 1208.2694v7 · doi: 10.48550/arxiv.1208.2694 · pith_short_12: HMON6G2BWZHP · pith_short_16: HMON6G2BWZHPLA2S · pith_short_8: HMON6G2B

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/HMON6G2BWZHPLA2S556PY635QO \
  | 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: 3b1cdf1b41b64ef58352ef7cfc7b7d83852b31b7072e2675d808d05fcecf8ab5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f80cb22c32e2b60b6e2f779bb9e2fae23f54d1f5016ac842012dad91f582ec9",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2012-08-13T20:01:00Z",
    "title_canon_sha256": "8f1a731b3fe709931f0dc4573b13fb8d07f43a6c03722b17419ab98937dd1809"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.2694",
    "kind": "arxiv",
    "version": 7
  }
}