Pith Number

pith:3XB654NQ

pith:2017:3XB654NQLHXR5KFMF6ZMB7KNJP

not attested not anchored not stored refs pending

Curvature properties of generalized pp-wave metric

Absos Ali Shaikh, Haradhan Kundu, Tran Quoc Binh

arxiv:1702.07497 v1 · 2017-02-24 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3XB654NQLHXR5KFMF6ZMB7KNJP}

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	2026-05-18T00:50:03.145643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddc3eef1b059ef1ea8ac2fb2c0fd4d4bcb1283107978c741082891b8e9cb69d9

Aliases

arxiv: 1702.07497 · arxiv_version: 1702.07497v1 · doi: 10.48550/arxiv.1702.07497 · pith_short_12: 3XB654NQLHXR · pith_short_16: 3XB654NQLHXR5KFM · pith_short_8: 3XB654NQ

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/3XB654NQLHXR5KFMF6ZMB7KNJP \
  | 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: ddc3eef1b059ef1ea8ac2fb2c0fd4d4bcb1283107978c741082891b8e9cb69d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a08cca2ee7d62700920c3411301f2b7ed9166461ec427180651bac5cf05d498",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-02-24T08:47:47Z",
    "title_canon_sha256": "4c08e6dbbb199d9c3731d74dce129c5f3530656fc997308375e9bfd603d6eedf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07497",
    "kind": "arxiv",
    "version": 1
  }
}