Pith Number

pith:EY7RBT6J

pith:2018:EY7RBT6J2TL73D5EO7Z4XP3TSU

not attested not anchored not stored refs pending

Characterization of warped product submanifolds of Lorentzian concircular structure Manifolds

Laurian-Ioan Piscoran, Shyamal Kumar Hui, Tanumoy Pal

arxiv:1803.02526 v1 · 2018-03-07 · 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{EY7RBT6J2TL73D5EO7Z4XP3TSU}

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	2026-05-18T00:21:50.045802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

263f10cfc9d4d7fd8fa477f3cbbf739527c6c7876b7488ad325f7ade50192daf

Aliases

arxiv: 1803.02526 · arxiv_version: 1803.02526v1 · doi: 10.48550/arxiv.1803.02526 · pith_short_12: EY7RBT6J2TL7 · pith_short_16: EY7RBT6J2TL73D5E · pith_short_8: EY7RBT6J

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/EY7RBT6J2TL73D5EO7Z4XP3TSU \
  | 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: 263f10cfc9d4d7fd8fa477f3cbbf739527c6c7876b7488ad325f7ade50192daf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb9af87b21fc58e59374fa5effe68ef0839a7cf6ff08902df6b1e1c882072651",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-03-07T05:24:06Z",
    "title_canon_sha256": "e326530e9c848acaecfe5d5940967c22d506e097db5c086a243ebdb083f85aa4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.02526",
    "kind": "arxiv",
    "version": 1
  }
}