Pith Number

pith:XYKRTIZZ

pith:2011:XYKRTIZZFZOOMCUTZLE6I7C73E

not attested not anchored not stored refs pending

An HI Survey of Six Local Group Analogs. II. HI properties of group galaxies

B.K. Gibson, D.G. Barnes, D.J. Pisano, K.C. Freeman, L. Staveley-Smith, V.A. Kilborn

arxiv:1110.3431 v1 · 2011-10-15 · 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{XYKRTIZZFZOOMCUTZLE6I7C73E}

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	2026-05-18T02:00:11.974925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be1519a3392e5ce60a93cac9e47c5fd92cfb7a9f6f821294fefc61773b1fe9df

Aliases

arxiv: 1110.3431 · arxiv_version: 1110.3431v1 · doi: 10.48550/arxiv.1110.3431 · pith_short_12: XYKRTIZZFZOO · pith_short_16: XYKRTIZZFZOOMCUT · pith_short_8: XYKRTIZZ

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/XYKRTIZZFZOOMCUTZLE6I7C73E \
  | 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: be1519a3392e5ce60a93cac9e47c5fd92cfb7a9f6f821294fefc61773b1fe9df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3762651bd87f603ac72310f4cc45540981bcfce59d50d69611f3d2f335eda4f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-10-15T18:27:55Z",
    "title_canon_sha256": "ecb2dd5e1735d48bcfce498e01dae2d13b38f26f6fca6aeda3e071bd2c9d1e15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.3431",
    "kind": "arxiv",
    "version": 1
  }
}