Pith Number

pith:UTDVVL6U

pith:2010:UTDVVL6UBMC2CD64QYKP6F2RXJ

not attested not anchored not stored refs pending

Obtaining the Weyl tensor from the Bel-Robinson tensor

Joan J. Ferrando, Juan A. S\'aez

arxiv:1010.1123 v1 · 2010-10-06 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UTDVVL6UBMC2CD64QYKP6F2RXJ}

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	2026-05-18T04:31:43.472144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4c75aafd40b05a10fdc8614ff1751ba51a05d54263bbc86f419b85c8d2b8576

Aliases

arxiv: 1010.1123 · arxiv_version: 1010.1123v1 · doi: 10.48550/arxiv.1010.1123 · pith_short_12: UTDVVL6UBMC2 · pith_short_16: UTDVVL6UBMC2CD64 · pith_short_8: UTDVVL6U

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/UTDVVL6UBMC2CD64QYKP6F2RXJ \
  | 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: a4c75aafd40b05a10fdc8614ff1751ba51a05d54263bbc86f419b85c8d2b8576

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f630726a9a3216097b841d7198f9ff54b267536946229397fb4737c464f267a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-10-06T11:11:39Z",
    "title_canon_sha256": "711325ddb5012143674f53c1b3412278d973bfa442ed32e2a0730388457438d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.1123",
    "kind": "arxiv",
    "version": 1
  }
}