Pith Number

pith:7OBOO6SW

pith:2012:7OBOO6SW2Q3ZLN553SON566Y6M

not attested not anchored not stored refs pending

Extended Einstein-Cartan theory a la Diakonov: the field equations

Friedrich W. Hehl, Yuri N. Obukhov

arxiv:1202.6045 v1 · 2012-02-27 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7OBOO6SW2Q3ZLN553SON566Y6M}

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	2026-05-18T01:58:19.079515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb82e77a56d43795b7bddc9cdefbd8f319fab0e97bacea76c92056dd41638838

Aliases

arxiv: 1202.6045 · arxiv_version: 1202.6045v1 · doi: 10.48550/arxiv.1202.6045 · pith_short_12: 7OBOO6SW2Q3Z · pith_short_16: 7OBOO6SW2Q3ZLN55 · pith_short_8: 7OBOO6SW

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/7OBOO6SW2Q3ZLN553SON566Y6M \
  | 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: fb82e77a56d43795b7bddc9cdefbd8f319fab0e97bacea76c92056dd41638838

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e7bbc9076379da3d78c0d3f338f1c8d8879f3c68a9bca00bc58177aa235808f",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-02-27T20:32:50Z",
    "title_canon_sha256": "dfc8f3cfc9dea909c042144482334054c7eba6c025de9cfa8a04e33db038f918"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.6045",
    "kind": "arxiv",
    "version": 1
  }
}