Pith Number

pith:5P4JDWIF

pith:2016:5P4JDWIFA434LF6XBKNIKMAO2N

not attested not anchored not stored refs pending

Detection of a ~20 kpc coherent magnetic field in the outskirt of merging spirals: the Antennae galaxies

Amanda A. Kepley, Aritra Basu, Ellen G. Zweibel, John. S. Gallagher III, S. A. Mao, Timothy Robishaw

arxiv:1609.04266 v1 · 2016-09-14 · 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{5P4JDWIFA434LF6XBKNIKMAO2N}

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	2026-05-18T01:04:09.817157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebf891d9050737c597d70a9a85300ed3651779a9e7bf0312c411a76b4e73f977

Aliases

arxiv: 1609.04266 · arxiv_version: 1609.04266v1 · doi: 10.48550/arxiv.1609.04266 · pith_short_12: 5P4JDWIFA434 · pith_short_16: 5P4JDWIFA434LF6X · pith_short_8: 5P4JDWIF

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/5P4JDWIFA434LF6XBKNIKMAO2N \
  | 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: ebf891d9050737c597d70a9a85300ed3651779a9e7bf0312c411a76b4e73f977

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ef849e41c348eb0b0460d31638f08fe0819c7241acdc21a56dec323d63c23df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-09-14T13:42:16Z",
    "title_canon_sha256": "170856e1d86f7b2ba05bf79e0b208062d471ed65c289ab26afc7d2785834e5cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.04266",
    "kind": "arxiv",
    "version": 1
  }
}