Pith Number

pith:7LXZXHM7

pith:2010:7LXZXHM7CU3ADZTQRAZPCU3FEH

not attested not anchored not stored refs pending

Planck-scale modifications to Electrodynamics characterized by a space-like symmetry-breaking vector

Alessandro Melchiorri, Giovanni Amelino-Camelia, Giulia Gubitosi, Giuseppe Genovese

arxiv:1003.0878 v1 · 2010-03-03 · gr-qc · astro-ph.CO · 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{7LXZXHM7CU3ADZTQRAZPCU3FEH}

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	2026-05-18T02:33:41.679268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

faef9b9d9f153601e6708832f1536521e0bb10f784a8922bc6755f5ffc281802

Aliases

arxiv: 1003.0878 · arxiv_version: 1003.0878v1 · doi: 10.48550/arxiv.1003.0878 · pith_short_12: 7LXZXHM7CU3A · pith_short_16: 7LXZXHM7CU3ADZTQ · pith_short_8: 7LXZXHM7

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/7LXZXHM7CU3ADZTQRAZPCU3FEH \
  | 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: faef9b9d9f153601e6708832f1536521e0bb10f784a8922bc6755f5ffc281802

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc4a1da5fc452f456f9837804d9b439be6b90839618787db8c48126f851374d7",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-03-03T20:10:04Z",
    "title_canon_sha256": "34e5f1bbb4713d8514ba81caddc4ac5894ba8bbf205b43dc4520bad24435656b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.0878",
    "kind": "arxiv",
    "version": 1
  }
}