Pith Number

pith:C4C43RWK

pith:2014:C4C43RWKE6EKJPE7KJT3TSQGNW

not attested not anchored not stored refs pending

Sasaki-like almost contact complex Riemannian manifolds

Hristo Manev, Mancho Manev, Stefan Ivanov

arxiv:1402.5426 v1 · 2014-02-21 · 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{C4C43RWKE6EKJPE7KJT3TSQGNW}

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	2026-05-18T01:12:31.015361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1705cdc6ca2788a4bc9f5267b9ca066da2928b1e9975032214f02f94101a8310

Aliases

arxiv: 1402.5426 · arxiv_version: 1402.5426v1 · doi: 10.48550/arxiv.1402.5426 · pith_short_12: C4C43RWKE6EK · pith_short_16: C4C43RWKE6EKJPE7 · pith_short_8: C4C43RWK

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/C4C43RWKE6EKJPE7KJT3TSQGNW \
  | 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: 1705cdc6ca2788a4bc9f5267b9ca066da2928b1e9975032214f02f94101a8310

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b2e0e4be4132e820f759811c634e491d5eb18cb7414474b04cac0b580704fe6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-02-21T21:09:45Z",
    "title_canon_sha256": "0e713c1490e56f8a1a06a18f8fdd5daf224fd26b13e3c8eb8dd332153e254bb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.5426",
    "kind": "arxiv",
    "version": 1
  }
}