Pith Number

pith:COTHZM4C

pith:2011:COTHZM4CNMPWC256VDNNOHYGEU

not attested not anchored not stored refs pending

On seven dimensional quaternionic contact solvable Lie groups

Diego Conti, Jos\'e A. Santisteban, Marisa Fern\'andez

arxiv:1110.5994 v2 · 2011-10-27 · 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{COTHZM4CNMPWC256VDNNOHYGEU}

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	2026-05-18T02:52:14.545540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13a67cb3826b1f616bbea8dad71f0625326e635fcadcde3b724b70aad3df26bc

Aliases

arxiv: 1110.5994 · arxiv_version: 1110.5994v2 · doi: 10.48550/arxiv.1110.5994 · pith_short_12: COTHZM4CNMPW · pith_short_16: COTHZM4CNMPWC256 · pith_short_8: COTHZM4C

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/COTHZM4CNMPWC256VDNNOHYGEU \
  | 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: 13a67cb3826b1f616bbea8dad71f0625326e635fcadcde3b724b70aad3df26bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31230a1e993091d9da795e9b13a65073499e43b791b765e5161dd8f7eee759a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-10-27T07:17:14Z",
    "title_canon_sha256": "6b2cbd8e1eb2099c766b6224d847dd4ee0c2360910c6717d336633dafb3cb5e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.5994",
    "kind": "arxiv",
    "version": 2
  }
}