Pith Number

pith:JQIQQJT4

pith:2014:JQIQQJT4E5W6MXDOIPQTTATKIK

not attested not anchored not stored refs pending

An introduction to conformal geometry and tractor calculus, with a view to applications in general relativity

A. Rod Gover, Sean Curry

arxiv:1412.7559 v2 · 2014-12-23 · math.DG · gr-qc · 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{JQIQQJT4E5W6MXDOIPQTTATKIK}

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.

Cited by

1 paper in Pith

A Pontryagin class obstruction for purely electric and purely magnetic Weyl curvature tensors

Receipt and verification

First computed	2026-05-18T01:36:01.722729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c1108267c276de65c6e43e139826a428c8a0cc91d3ca3f1b850646bbe23b2ca

Aliases

arxiv: 1412.7559 · arxiv_version: 1412.7559v2 · doi: 10.48550/arxiv.1412.7559 · pith_short_12: JQIQQJT4E5W6 · pith_short_16: JQIQQJT4E5W6MXDO · pith_short_8: JQIQQJT4

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/JQIQQJT4E5W6MXDOIPQTTATKIK \
  | 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: 4c1108267c276de65c6e43e139826a428c8a0cc91d3ca3f1b850646bbe23b2ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bee2e8325e61465d9d43a608c4b7e96fb837abb41bf3bab485f5eaea021490e",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-12-23T21:59:40Z",
    "title_canon_sha256": "9b52dd8d6cfbd7624293850960ddeb3cec195a3ce7a97da603cf7ce9cd20f0e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.7559",
    "kind": "arxiv",
    "version": 2
  }
}