Pith Number

pith:SP6QI66M

pith:2016:SP6QI66MMU64VCQO2USSOTRAVY

not attested not anchored not stored refs pending

On some curvature restricted geometric structures for projective curvature tensor

Absos Ali Shaikh, Haradhan Kundu

arxiv:1609.04749 v1 · 2016-09-15 · 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{SP6QI66MMU64VCQO2USSOTRAVY}

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	2026-05-18T01:04:35.676847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93fd047bcc653dca8a0ed525274e20ae06ffd49a13eab28168d96d8020b08eda

Aliases

arxiv: 1609.04749 · arxiv_version: 1609.04749v1 · doi: 10.48550/arxiv.1609.04749 · pith_short_12: SP6QI66MMU64 · pith_short_16: SP6QI66MMU64VCQO · pith_short_8: SP6QI66M

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/SP6QI66MMU64VCQO2USSOTRAVY \
  | 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: 93fd047bcc653dca8a0ed525274e20ae06ffd49a13eab28168d96d8020b08eda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb0f8c305ab1bb13d4ff3f43d1feea09389882afdbdd7d760519dc1345b88f57",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-09-15T17:33:22Z",
    "title_canon_sha256": "785e19288b0bd331f2a52d5dcde4fdeaf324d8f372bbed5b2b3c23eb89169891"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.04749",
    "kind": "arxiv",
    "version": 1
  }
}