Pith Number

pith:TCWXDWEV

pith:2011:TCWXDWEV5ZBLTSKIDTPPWBJYHI

not attested not anchored not stored refs pending

On the twistor space of a quaternionic contact manifold

Jesse Alt

arxiv:1104.2705 v1 · 2011-04-14 · 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{TCWXDWEV5ZBLTSKIDTPPWBJYHI}

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	2026-05-18T02:02:29.219831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98ad71d895ee42b9c9481cdefb05383a1960e3281a3b8efeab6a5e3eb430fa51

Aliases

arxiv: 1104.2705 · arxiv_version: 1104.2705v1 · doi: 10.48550/arxiv.1104.2705 · pith_short_12: TCWXDWEV5ZBL · pith_short_16: TCWXDWEV5ZBLTSKI · pith_short_8: TCWXDWEV

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/TCWXDWEV5ZBLTSKIDTPPWBJYHI \
  | 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: 98ad71d895ee42b9c9481cdefb05383a1960e3281a3b8efeab6a5e3eb430fa51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f12cf4752ad7a66c7b6213b3feffc26b8806ab999efd5c256c3c7a789ca48ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-04-14T09:32:40Z",
    "title_canon_sha256": "fd07e6bf2c0d8ed780b2de7a1d12a2a8bb147cec07a8f99d712737b842130789"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2705",
    "kind": "arxiv",
    "version": 1
  }
}