Pith Number

pith:QNRCWVU5

pith:2011:QNRCWVU56KROT6NWWB4JF2ANFW

not attested not anchored not stored refs pending

A natural connection on some classes of almost contact manifolds with B-metric

Mancho Manev, Miroslava Ivanova

arxiv:1110.3023 v1 · 2011-10-13 · 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{QNRCWVU56KROT6NWWB4JF2ANFW}

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	2026-05-18T03:56:22.426191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83622b569df2a2e9f9b6b07892e80d2da2a262cdc02bb0e6a5f9e115a879dd6c

Aliases

arxiv: 1110.3023 · arxiv_version: 1110.3023v1 · doi: 10.48550/arxiv.1110.3023 · pith_short_12: QNRCWVU56KRO · pith_short_16: QNRCWVU56KROT6NW · pith_short_8: QNRCWVU5

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/QNRCWVU56KROT6NWWB4JF2ANFW \
  | 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: 83622b569df2a2e9f9b6b07892e80d2da2a262cdc02bb0e6a5f9e115a879dd6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79294bbc24fb598a408c6450092c8a821559a384c9adfcef788e57cf2d24de5f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-10-13T18:20:11Z",
    "title_canon_sha256": "93fcf1de4140f62bed37fac64fb9d3a5b43c6d3a2dd732731f6eda26abd24c59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.3023",
    "kind": "arxiv",
    "version": 1
  }
}