Pith Number

pith:ZBQ4RJQV

pith:2019:ZBQ4RJQV3PAO7OWTQY7OLQN2WS

not attested not anchored not stored refs pending

A High Resolution Study of Carbon Radio Recombination Lines towards Cassiopeia A

Aditya Chowdhury, Jayaram N. Chengalur

arxiv:1903.05591 v1 · 2019-03-13 · 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{ZBQ4RJQV3PAO7OWTQY7OLQN2WS}

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	2026-05-17T23:50:18.911940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c861c8a615dbc0efbad3863ee5c1bab499d7a4d6f73038dc3c10270cfb849121

Aliases

arxiv: 1903.05591 · arxiv_version: 1903.05591v1 · doi: 10.48550/arxiv.1903.05591 · pith_short_12: ZBQ4RJQV3PAO · pith_short_16: ZBQ4RJQV3PAO7OWT · pith_short_8: ZBQ4RJQV

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/ZBQ4RJQV3PAO7OWTQY7OLQN2WS \
  | 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: c861c8a615dbc0efbad3863ee5c1bab499d7a4d6f73038dc3c10270cfb849121

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4604320deeb90d8c34c307fd96aaf588c3029bfb2f3f5975271a8d87ad703cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-03-13T16:45:31Z",
    "title_canon_sha256": "301d79cf019bc44c2cc98da384e67a3dfedfaa196234d1088691c6769e1b5aa7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05591",
    "kind": "arxiv",
    "version": 1
  }
}