Pith Number

pith:J6TME7QU

pith:2009:J6TME7QULBGIMGVTQUPTBXQMYK

not attested not anchored not stored refs pending

Measurements of the Cosmological Evolution of Magnetic Fields with the Square Kilometre Array

David A. Green, Joern Geisbuesch, Julia Riley, Martin Krause, Paul Alexander, Rosie Bolton

arxiv:0908.0830 v2 · 2009-08-06 · astro-ph.CO · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J6TME7QULBGIMGVTQUPTBXQMYK}

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	2026-05-18T02:12:37.094149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fa6c27e14584c861ab3851f30de0cc28e9dd42918e70ff19df9c5254ada3ba0

Aliases

arxiv: 0908.0830 · arxiv_version: 0908.0830v2 · doi: 10.48550/arxiv.0908.0830 · pith_short_12: J6TME7QULBGI · pith_short_16: J6TME7QULBGIMGVT · pith_short_8: J6TME7QU

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/J6TME7QULBGIMGVTQUPTBXQMYK \
  | 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: 4fa6c27e14584c861ab3851f30de0cc28e9dd42918e70ff19df9c5254ada3ba0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa9387df17d1733660106a4a4ee03a137756139795420272788365fbcdfc1aa0",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-06T09:51:35Z",
    "title_canon_sha256": "55fb72a656d145d8c42c202493896e4e20cb566c092280fdf4b541c9ed8b3fbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.0830",
    "kind": "arxiv",
    "version": 2
  }
}