Pith Number

pith:PCG2W4IT

pith:2012:PCG2W4ITSP7ABLV2ZU4ZRXIUFM

not attested not anchored not stored refs pending

A note on "Einstein's special relativity beyond the speed of light by James M. Hill and Barry J. Cox"

Gergely Sz\'ekely, Hajnal Andr\'eka, Istv\'an N\'emeti, Judit X. Madar\'asz

arxiv:1211.2246 v2 · 2012-11-09 · gr-qc · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PCG2W4ITSP7ABLV2ZU4ZRXIUFM}

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	2026-05-18T02:41:42.791505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

788dab711393fe00aebacd3998dd142b1bd3865d2b57ed7a862101f5cc9adf9d

Aliases

arxiv: 1211.2246 · arxiv_version: 1211.2246v2 · doi: 10.48550/arxiv.1211.2246 · pith_short_12: PCG2W4ITSP7A · pith_short_16: PCG2W4ITSP7ABLV2 · pith_short_8: PCG2W4IT

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/PCG2W4ITSP7ABLV2ZU4ZRXIUFM \
  | 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: 788dab711393fe00aebacd3998dd142b1bd3865d2b57ed7a862101f5cc9adf9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5037ee5315e0be2d5d0e395117a650b41bbc0b043793962f66ad3d5d45db16f9",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-11-09T21:12:57Z",
    "title_canon_sha256": "2d98aaaee1c7302ba1c4c4e3b7e72249fa9b3595e1e449a0d44e2196d50f5af5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.2246",
    "kind": "arxiv",
    "version": 2
  }
}