Pith Number

pith:7UGL6K4B

pith:2012:7UGL6K4BWBLF6NOIYXPCB3BPBS

not attested not anchored not stored refs pending

The relation between the model of a crystal with defects and Plebanski's theory of gravity

C.R. Das, D.L. Bennett, H.B. Nielsen, L.V. Laperashvili

arxiv:1209.2155 v2 · 2012-09-10 · hep-th · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7UGL6K4BWBLF6NOIYXPCB3BPBS}

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	2026-05-18T03:28:05.707152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd0cbf2b81b0565f35c8c5de20ec2f0ca56db6cad28738c319f054e1cc66ac9d

Aliases

arxiv: 1209.2155 · arxiv_version: 1209.2155v2 · doi: 10.48550/arxiv.1209.2155 · pith_short_12: 7UGL6K4BWBLF · pith_short_16: 7UGL6K4BWBLF6NOI · pith_short_8: 7UGL6K4B

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/7UGL6K4BWBLF6NOIYXPCB3BPBS \
  | 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: fd0cbf2b81b0565f35c8c5de20ec2f0ca56db6cad28738c319f054e1cc66ac9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b77f49816be4ef54bc5fbf5113ca624eb1af991ff70ce5844a99c12d8cea1658",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2012-09-10T21:00:35Z",
    "title_canon_sha256": "a2af58b15f28c39d5daf7567d82e68401792702e4b9254165065a02b78792c4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2155",
    "kind": "arxiv",
    "version": 2
  }
}