Pith Number

pith:E43XEQLQ

pith:2008:E43XEQLQ6ISEGANNHM66QGPWIE

not attested not anchored not stored refs pending

The Arecibo Legacy Fast ALFA Survey VII: A Neutral Hydrogen Cloud Complex in the Virgo Cluster

Andrew A. West, Brian R. Kent, Eduardo Hardy, Emmanuel Momjian, Juan R. Cortes, Kristine Spekkens, Martha P. Haynes, Riccardo Giovanelli

arxiv:0810.3571 v1 · 2008-10-20 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E43XEQLQ6ISEGANNHM66QGPWIE}

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	2026-05-18T04:29:25.854287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2737724170f2244301ad3b3de819f6412288d4da256565fcc51644fd7f955859

Aliases

arxiv: 0810.3571 · arxiv_version: 0810.3571v1 · doi: 10.48550/arxiv.0810.3571 · pith_short_12: E43XEQLQ6ISE · pith_short_16: E43XEQLQ6ISEGANN · pith_short_8: E43XEQLQ

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/E43XEQLQ6ISEGANNHM66QGPWIE \
  | 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: 2737724170f2244301ad3b3de819f6412288d4da256565fcc51644fd7f955859

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ca3e26efc1a61ecc624db25db8c7ba5c4d981b7aacc755745983133659faa60",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-20T14:49:22Z",
    "title_canon_sha256": "3a1f41a2557ed87626f3481de8c726b6972ddc51743c45d40daec4f0b489303a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.3571",
    "kind": "arxiv",
    "version": 1
  }
}