Pith Number

pith:LH4Z4KAQ

pith:2011:LH4Z4KAQM6GA3XQJYA7OKFR6GF

not attested not anchored not stored refs pending

Symmetry in the Geometry of Metric Contact Pairs

D. E. Blair, G. Bande

arxiv:1110.6281 v1 · 2011-10-28 · 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{LH4Z4KAQM6GA3XQJYA7OKFR6GF}

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	2026-05-18T04:09:57.192245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59f99e2810678c0dde09c03ee5163e3152eba03c278f20845d69ed2cd84b8583

Aliases

arxiv: 1110.6281 · arxiv_version: 1110.6281v1 · doi: 10.48550/arxiv.1110.6281 · pith_short_12: LH4Z4KAQM6GA · pith_short_16: LH4Z4KAQM6GA3XQJ · pith_short_8: LH4Z4KAQ

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/LH4Z4KAQM6GA3XQJYA7OKFR6GF \
  | 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: 59f99e2810678c0dde09c03ee5163e3152eba03c278f20845d69ed2cd84b8583

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfe8310c56e95c6c7faf71c1ea328559404daebd73f77085d50b53010172ed24",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-10-28T09:08:30Z",
    "title_canon_sha256": "c8e47d603e26bf423dee9e6802261af4929717203455ab1a0404f40413cbbd41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.6281",
    "kind": "arxiv",
    "version": 1
  }
}