Pith Number

pith:FKFCPHD6

pith:2015:FKFCPHD6DRFSYQWNORX6ZCY7CQ

not attested not anchored not stored refs pending

Q-curvature of Weyl structures and Poincar\'e metrics

Christian L\"ubbe, Kengo Hirachi, Yoshihiko Matsumoto

arxiv:1502.06537 v1 · 2015-02-23 · 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{FKFCPHD6DRFSYQWNORX6ZCY7CQ}

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	2026-05-18T02:26:32.319711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a8a279c7e1c4b2c42cd746fec8b1f1415e8a93c9fa8fa2e049175a386adcb01

Aliases

arxiv: 1502.06537 · arxiv_version: 1502.06537v1 · doi: 10.48550/arxiv.1502.06537 · pith_short_12: FKFCPHD6DRFS · pith_short_16: FKFCPHD6DRFSYQWN · pith_short_8: FKFCPHD6

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/FKFCPHD6DRFSYQWNORX6ZCY7CQ \
  | 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: 2a8a279c7e1c4b2c42cd746fec8b1f1415e8a93c9fa8fa2e049175a386adcb01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba08388c905f81ef144e4845dcb79df0833c0bee2748bd655fdc856b407bb527",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-02-23T18:26:10Z",
    "title_canon_sha256": "60eb112c75d79b75bfea40f116261b3606fee5a18d81ecf33d76d7c74713876f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.06537",
    "kind": "arxiv",
    "version": 1
  }
}