Pith Number

pith:HFVS4CBM

pith:2018:HFVS4CBMONM45FZRTAZXUWIA2Y

not attested not anchored not stored refs pending

On the geometry of trans-para-Sasakian manifolds

Simeon Zamkovoy

arxiv:1812.01979 v2 · 2018-12-05 · 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{HFVS4CBMONM45FZRTAZXUWIA2Y}

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	2026-05-17T23:57:14.655369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

396b2e082c7359ce973198337a5900d63aab2a909440deab4e01ae769c6a059d

Aliases

arxiv: 1812.01979 · arxiv_version: 1812.01979v2 · doi: 10.48550/arxiv.1812.01979 · pith_short_12: HFVS4CBMONM4 · pith_short_16: HFVS4CBMONM45FZR · pith_short_8: HFVS4CBM

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/HFVS4CBMONM45FZRTAZXUWIA2Y \
  | 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: 396b2e082c7359ce973198337a5900d63aab2a909440deab4e01ae769c6a059d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e86e5fee63c56a0bb3f67518870befbe9b48ef7d3431a3b52f95f38a63bc09f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-12-05T13:17:23Z",
    "title_canon_sha256": "399c8d9ba6a78f2dd7ee9ba59975d73ac5901053526aa98d698bfddd60de18a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.01979",
    "kind": "arxiv",
    "version": 2
  }
}