Pith Number

pith:YRN5DH3J

pith:2023:YRN5DH3JGSCONUJPLYCCVRBJOP

not attested not anchored not stored refs pending

An introduction to Cartan geometries

Benjamin McKay (University College Cork)

arxiv:2302.14457 v23 · 2023-02-28 · 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{YRN5DH3JGSCONUJPLYCCVRBJOP}

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	2026-07-05T11:31:00.146231Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c45bd19f693484e6d12f5e042ac42973e4087e57bdc26d9ceb2b9bdc6f2b0b81

Aliases

arxiv: 2302.14457 · arxiv_version: 2302.14457v23 · doi: 10.48550/arxiv.2302.14457 · pith_short_12: YRN5DH3JGSCO · pith_short_16: YRN5DH3JGSCONUJP · pith_short_8: YRN5DH3J

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/YRN5DH3JGSCONUJPLYCCVRBJOP \
  | 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: c45bd19f693484e6d12f5e042ac42973e4087e57bdc26d9ceb2b9bdc6f2b0b81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de5a580fdad1e3ad245dab0d7acf9def7e7b938858310d195850816d01c82769",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2023-02-28T10:05:09Z",
    "title_canon_sha256": "5ff7141f175d58fb580fc8b85bebb87b9cfed3cd107fd3c2c4430d0bfc27c704"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.14457",
    "kind": "arxiv",
    "version": 23
  }
}