Pith Number

pith:MPJPMIE5

pith:2007:MPJPMIE5S4XWOYOI5YXY2Z7END

not attested not anchored not stored refs pending

The magnetic fields of large Virgo Cluster spirals

B. Vollmer, Ch. Balkowski, K. T. Chyzy, M. Soida, M. Urbanik, M. Wezgowiec, R. Beck

arxiv:0705.4586 v1 · 2007-05-31 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MPJPMIE5S4XWOYOI5YXY2Z7END}

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	2026-05-18T02:16:30.555960Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63d2f6209d972f6761c8ee2f8d67e468d4a61b71485b52d0da9cb1f4b38fd132

Aliases

arxiv: 0705.4586 · arxiv_version: 0705.4586v1 · doi: 10.48550/arxiv.0705.4586 · pith_short_12: MPJPMIE5S4XW · pith_short_16: MPJPMIE5S4XWOYOI · pith_short_8: MPJPMIE5

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/MPJPMIE5S4XWOYOI5YXY2Z7END \
  | 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: 63d2f6209d972f6761c8ee2f8d67e468d4a61b71485b52d0da9cb1f4b38fd132

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "819f6a637efa72877c46338ef70157f3dc96f1e9289eeeb8e6dbf52ef0403ca0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-05-31T12:23:11Z",
    "title_canon_sha256": "a95be4395559893aeb2103f65c8a1d8a7a0c8d83775de3126f159b7c90976664"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0705.4586",
    "kind": "arxiv",
    "version": 1
  }
}