Pith Number

pith:PXOAFFRZ

pith:2014:PXOAFFRZ2RAW4Y46CLUGPCRU34

not attested not anchored not stored refs pending

Parsec-scale magnetic fields in Arp 220

(2) National Research Council Canada, (3) Academica Sinica Institute of Astronomy, (4) DePaul University), Anuj P. Sarma (4) ((1) University of California, Astrophysics, Astrophysics Programs, Berkeley, Carl Heiles (1), Dominion Radio Astrophysical Observatory, Geoffrey C. Bower (3), Herzberg Astronomy, James McBride (1), Timothy Robishaw (2)

arxiv:1411.7407 v1 · 2014-11-26 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PXOAFFRZ2RAW4Y46CLUGPCRU34}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:41:25.505968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ddc029639d4416e639e12e8678a34df28eda131430c022255d7701427701309

Aliases

arxiv: 1411.7407 · arxiv_version: 1411.7407v1 · doi: 10.48550/arxiv.1411.7407 · pith_short_12: PXOAFFRZ2RAW · pith_short_16: PXOAFFRZ2RAW4Y46 · pith_short_8: PXOAFFRZ

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/PXOAFFRZ2RAW4Y46CLUGPCRU34 \
  | 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: 7ddc029639d4416e639e12e8678a34df28eda131430c022255d7701427701309

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99ccaf3aaac2883a75617513ef1d5f5618b37c8d1698eaf9978dde69d0bd52d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-11-26T22:01:43Z",
    "title_canon_sha256": "353f090ada39949b2d193ae4647f6ff82199cd47f64342c5c68cc8f35acc1d7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.7407",
    "kind": "arxiv",
    "version": 1
  }
}