Pith Number

pith:E4G6M5TO

pith:2016:E4G6M5TOMI2CEJLS5T46AKUZS3

not attested not anchored not stored refs pending

Electrodynamics and spacetime geometry I: Foundations

Francisco Cabral, Francisco S. N. Lobo

arxiv:1602.01492 v1 · 2016-02-03 · 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{E4G6M5TOMI2CEJLS5T46AKUZS3}

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	2026-05-18T00:50:57.403505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

270de6766e6234222572ecf9e02a9996c611c425182109514e532c1a1c3283c4

Aliases

arxiv: 1602.01492 · arxiv_version: 1602.01492v1 · doi: 10.48550/arxiv.1602.01492 · pith_short_12: E4G6M5TOMI2C · pith_short_16: E4G6M5TOMI2CEJLS · pith_short_8: E4G6M5TO

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/E4G6M5TOMI2CEJLS5T46AKUZS3 \
  | 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: 270de6766e6234222572ecf9e02a9996c611c425182109514e532c1a1c3283c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2357e7b43d804f2f11d35a8dabe99f2ad542545cec4d1f7d39082bd8d1697cf",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-02-03T21:56:46Z",
    "title_canon_sha256": "1a12a3ac647d9c37010bbcb2730f3f8cad04a782a998d26dea5d34295a6e0d3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.01492",
    "kind": "arxiv",
    "version": 1
  }
}