Pith Number

pith:2EJROZRB

pith:2017:2EJROZRB6Z5ZRA6LHNYLHFMGBH

not attested not anchored not stored refs pending

On the number of representations of certain quadratic forms and a formula for the Ramanujan Tau function

Anup Kumar Singh, B. Ramakrishnan, Brundaban Sahu

arxiv:1702.01249 v2 · 2017-02-04 · 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{2EJROZRB6Z5ZRA6LHNYLHFMGBH}

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	2026-05-18T00:38:36.046274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d113176621f67b9883cb3b70b3958609fc92c2f934e96b2ac3f12d43462d4144

Aliases

arxiv: 1702.01249 · arxiv_version: 1702.01249v2 · doi: 10.48550/arxiv.1702.01249 · pith_short_12: 2EJROZRB6Z5Z · pith_short_16: 2EJROZRB6Z5ZRA6L · pith_short_8: 2EJROZRB

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/2EJROZRB6Z5ZRA6LHNYLHFMGBH \
  | 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: d113176621f67b9883cb3b70b3958609fc92c2f934e96b2ac3f12d43462d4144

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65ec830ca3187f282b00b6fd66245723c5a23a897f6acffa05d2ae53d7376310",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2017-02-04T07:22:45Z",
    "title_canon_sha256": "c35f5cb568d046997e82010e0bd5f28f803f149000f55900c81a2e403417c41a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.01249",
    "kind": "arxiv",
    "version": 2
  }
}