Pith Number

pith:2GJFL3ZT

pith:2022:2GJFL3ZTALSCM45YWSZYCCIDVZ

not attested not anchored not stored refs pending

A depolarizing HI tidal tail in the western lobe of Fornax A

Craig Anderson, Dane Kleiner, Emil Lenc, Federica Govoni, Filippo Marcello Maccagni, Francesca Loi, George Heald, Matteo Murgia, Paolo Serra, Ralf-J\"urgen Dettmar, Valentina Vacca

arxiv:2203.03649 v1 · 2022-03-07 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2GJFL3ZTALSCM45YWSZYCCIDVZ}

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	2026-07-05T04:16:02.377531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d19255ef3302e42673b8b4b3810903ae7c1bc85b8c67b20f52baf64c17f4a1f5

Aliases

arxiv: 2203.03649 · arxiv_version: 2203.03649v1 · doi: 10.48550/arxiv.2203.03649 · pith_short_12: 2GJFL3ZTALSC · pith_short_16: 2GJFL3ZTALSCM45Y · pith_short_8: 2GJFL3ZT

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/2GJFL3ZTALSCM45YWSZYCCIDVZ \
  | 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: d19255ef3302e42673b8b4b3810903ae7c1bc85b8c67b20f52baf64c17f4a1f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72fd148261edb2951501247c5003babb095e0177950e3e9def8c899f37b94c14",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-03-07T19:00:02Z",
    "title_canon_sha256": "f6306267c694b4e49a610ec56ea3a92459e85396a58af9a90f23855506f6501c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.03649",
    "kind": "arxiv",
    "version": 1
  }
}