Pith Number

pith:U2L3CTE4

pith:2018:U2L3CTE4T5PZDGXQQL53VNVZVZ

not attested not anchored not stored refs pending

Nonlinear electrodynamics, singularities and accelerated expansion

Gauranga C. Samanta, Kazuharu Bamba, Shantanu K. Biswal

arxiv:1810.01874 v1 · 2018-10-03 · 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{U2L3CTE4T5PZDGXQQL53VNVZVZ}

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	2026-05-18T00:04:07.062874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a697b14c9c9f5f919af082fbbab6b9ae69fec9a5214ceae17e973670d3b598c2

Aliases

arxiv: 1810.01874 · arxiv_version: 1810.01874v1 · doi: 10.48550/arxiv.1810.01874 · pith_short_12: U2L3CTE4T5PZ · pith_short_16: U2L3CTE4T5PZDGXQ · pith_short_8: U2L3CTE4

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/U2L3CTE4T5PZDGXQQL53VNVZVZ \
  | 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: a697b14c9c9f5f919af082fbbab6b9ae69fec9a5214ceae17e973670d3b598c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba6ecc28c2960d2b7b4c11e5067091c9b209138e690334efc8d5e0a92ec89536",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-10-03T14:01:20Z",
    "title_canon_sha256": "ad2e51cc1bb4f1810247ca98507714b270c63b364bf5f23651abfc6c68177847"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.01874",
    "kind": "arxiv",
    "version": 1
  }
}