Pith Number

pith:XPWCVXR4

pith:2021:XPWCVXR4AVX5UWTCB2NQZ24IXN

not attested not anchored not stored refs pending

Cosmological magnetic field---the boost-symmetric case

Ji\v{r}\'i Vesel\'y, Martin \v{Z}ofka

arxiv:2104.02123 v1 · 2021-04-05 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XPWCVXR4AVX5UWTCB2NQZ24IXN}

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	2026-07-05T02:29:14.261140Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbec2ade3c056fda5a620e9b0ceb88bb4f1e75c2a144cf1303d018b9d064177f

Aliases

arxiv: 2104.02123 · arxiv_version: 2104.02123v1 · doi: 10.48550/arxiv.2104.02123 · pith_short_12: XPWCVXR4AVX5 · pith_short_16: XPWCVXR4AVX5UWTC · pith_short_8: XPWCVXR4

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/XPWCVXR4AVX5UWTCB2NQZ24IXN \
  | 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: bbec2ade3c056fda5a620e9b0ceb88bb4f1e75c2a144cf1303d018b9d064177f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b12ec3d64dbfbd2f457b554a2535b805e3c7810df4b24a018eb26334b564c64",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-04-05T19:43:15Z",
    "title_canon_sha256": "ce419903ac778430c9c27b7c5232dc785a0414c2042c23b7da7123635ee816d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.02123",
    "kind": "arxiv",
    "version": 1
  }
}