Pith Number

pith:M7FB4XPC

pith:2018:M7FB4XPC5LSTHPWNWC2L2VZSGS

not attested not anchored not stored refs pending

Certain character sums and hypergeometric series

Neelam Saikia, Rupam Barman

arxiv:1802.04503 v1 · 2018-02-13 · 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{M7FB4XPC5LSTHPWNWC2L2VZSGS}

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	2026-05-18T00:23:44.041784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67ca1e5de2eae533becdb0b4bd573234a019b67a9a936e021d27be994b74e3af

Aliases

arxiv: 1802.04503 · arxiv_version: 1802.04503v1 · doi: 10.48550/arxiv.1802.04503 · pith_short_12: M7FB4XPC5LST · pith_short_16: M7FB4XPC5LSTHPWN · pith_short_8: M7FB4XPC

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/M7FB4XPC5LSTHPWNWC2L2VZSGS \
  | 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: 67ca1e5de2eae533becdb0b4bd573234a019b67a9a936e021d27be994b74e3af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "781d63c0caf0a2daf969fdeedeac05b3b767802eb090b48429351879e9a03e72",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2018-02-13T08:30:00Z",
    "title_canon_sha256": "5f9616f0d96f0c7c17d2545cc22f100c607a71a570d6ce1c71a155406d0f6117"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.04503",
    "kind": "arxiv",
    "version": 1
  }
}