Pith Number

pith:LNF53U7P

pith:2026:LNF53U7PRLNWUCQWYGV42G2RHZ

not attested not anchored not stored refs pending

Accurate Extragalactic Magnetic Fields from Faraday Rotation with Optimal Dispersion Measure Estimators

Hilay Shah, Mark Krumholz, Naomi McClure-Griffiths, Zipeng Hu

arxiv:2607.20985 v1 · 2026-07-23 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LNF53U7PRLNWUCQWYGV42G2RHZ}

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	2026-07-24T01:23:45.550866Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b4bddd3ef8adb6a0a16c1abcd1b513e7700bb06d154a20cf44efe699a158609

Aliases

arxiv: 2607.20985 · arxiv_version: 2607.20985v1 · doi: 10.48550/arxiv.2607.20985 · pith_short_12: LNF53U7PRLNW · pith_short_16: LNF53U7PRLNWUCQW · pith_short_8: LNF53U7P

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/LNF53U7PRLNWUCQWYGV42G2RHZ \
  | 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: 5b4bddd3ef8adb6a0a16c1abcd1b513e7700bb06d154a20cf44efe699a158609

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f1d4fcd5de13476ba61387ca74d62d281da76b418fe87d8e397fe800dd257c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-07-23T07:07:54Z",
    "title_canon_sha256": "9e5745b72f3358ebb79d4aa4bd42d1b1f2dca5e7bb07131654ce79d5bed13991"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.20985",
    "kind": "arxiv",
    "version": 1
  }
}