Pith Number

pith:PEOAV27R

pith:2016:PEOAV27R6LU3COH6MTZF4H7WNG

not attested not anchored not stored refs pending

Tractors and Twistors from conformal Cartan geometry: a gauge theoretic approach I. Tractors

Jeremy Attard, Jordan Fran\c{c}ois

arxiv:1609.07307 v4 · 2016-09-23 · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PEOAV27R6LU3COH6MTZF4H7WNG}

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	2026-05-18T00:47:49.973085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

791c0aebf1f2e9b138fe64f25e1ff669b161cd93381d2eef0dfa9e28e29bdcab

Aliases

arxiv: 1609.07307 · arxiv_version: 1609.07307v4 · doi: 10.48550/arxiv.1609.07307 · pith_short_12: PEOAV27R6LU3 · pith_short_16: PEOAV27R6LU3COH6 · pith_short_8: PEOAV27R

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/PEOAV27R6LU3COH6MTZF4H7WNG \
  | 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: 791c0aebf1f2e9b138fe64f25e1ff669b161cd93381d2eef0dfa9e28e29bdcab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30a46de624262e029e5fc0ea44f3411627ef08b6babde296249eb345fb28f242",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2016-09-23T10:47:13Z",
    "title_canon_sha256": "9e262782a47c190ba0444acc25443d1cb4b9079e0376ebc8d5dee16be7648858"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.07307",
    "kind": "arxiv",
    "version": 4
  }
}