Pith Number

pith:TFE7LBYU

pith:2009:TFE7LBYUDQ5JLRSBIW3THKXEFB

not attested not anchored not stored refs pending

The canonical structure of Podolsky's generalized electrodynamics on the Null-Plane

B. M. Pimentel, G. E. R. Zambrano, M. C. Bertin

arxiv:0907.1078 v1 · 2009-07-06 · 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{TFE7LBYUDQ5JLRSBIW3THKXEFB}

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	2026-05-18T02:13:04.940852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9949f587141c3a95c64145b733aae4286d633eb4d7f80f7e3002135f21d9c8a2

Aliases

arxiv: 0907.1078 · arxiv_version: 0907.1078v1 · doi: 10.48550/arxiv.0907.1078 · pith_short_12: TFE7LBYUDQ5J · pith_short_16: TFE7LBYUDQ5JLRSB · pith_short_8: TFE7LBYU

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/TFE7LBYUDQ5JLRSBIW3THKXEFB \
  | 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: 9949f587141c3a95c64145b733aae4286d633eb4d7f80f7e3002135f21d9c8a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47ffc0e192b102ad24e9da1e146c273d4e13c82852b1dc286a69392be9c35e7a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-07-06T19:53:51Z",
    "title_canon_sha256": "a6e1d74b1fffcc9bbd14522a181d8985691026db0dadf9896786d8dda741ee54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.1078",
    "kind": "arxiv",
    "version": 1
  }
}