Pith Number

pith:CVCDYJZT

pith:2023:CVCDYJZTEGYRZV7JYYYM6NFRCE

not attested not anchored not stored refs pending

Gravitoelectromagnetic quadrirefringence

Antonio Enea Romano, Sergio A. Vallejo-Pe\~na

arxiv:2301.11304 v3 · 2023-01-26 · 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{CVCDYJZTEGYRZV7JYYYM6NFRCE}

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	2026-07-05T08:05:47.783761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15443c273321b11cd7e9c630cf34b1110564f25a0e11e8b44aa85fc5a3b68e34

Aliases

arxiv: 2301.11304 · arxiv_version: 2301.11304v3 · doi: 10.48550/arxiv.2301.11304 · pith_short_12: CVCDYJZTEGYR · pith_short_16: CVCDYJZTEGYRZV7J · pith_short_8: CVCDYJZT

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/CVCDYJZTEGYRZV7JYYYM6NFRCE \
  | 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: 15443c273321b11cd7e9c630cf34b1110564f25a0e11e8b44aa85fc5a3b68e34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed06f11c63432cd524cea7686c51e711b72867f9175a693971925bce9adc5bc1",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2023-01-26T18:43:09Z",
    "title_canon_sha256": "fb72f872d084b408a575bf8b322659ab0e4cb8efedf33154cc3fff92a4cc6e92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.11304",
    "kind": "arxiv",
    "version": 3
  }
}