Pith Number

pith:U45JRAEA

pith:2011:U45JRAEA6OUYK4WCQVW2W7BGJ3

not attested not anchored not stored refs pending

The DiskMass Survey. IV. The Dark-Matter-Dominated Galaxy UGC 463

(2) Univ. of Wisconsin-Madison, (3) NRC Herzberg Institute of Astrophysics, (4) NOAO), Andrew Schechtman-Rook (2) ((1) Kapteyn Astronomical Institute, David R. Andersen (3), Kyle B. Westfall (1), Marc A. W. Verheijen (1), Matthew A. Bershady (2), Robert A. Swaters (4), Thomas P. K. Martinsson (1)

arxiv:1108.2946 v1 · 2011-08-15 · 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{U45JRAEA6OUYK4WCQVW2W7BGJ3}

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	2026-05-18T02:00:53.958993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a73a988080f3a98572c2856dab7c264ec3db87172f7b8558487609fa5ab47ee1

Aliases

arxiv: 1108.2946 · arxiv_version: 1108.2946v1 · doi: 10.48550/arxiv.1108.2946 · pith_short_12: U45JRAEA6OUY · pith_short_16: U45JRAEA6OUYK4WC · pith_short_8: U45JRAEA

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/U45JRAEA6OUYK4WCQVW2W7BGJ3 \
  | 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: a73a988080f3a98572c2856dab7c264ec3db87172f7b8558487609fa5ab47ee1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d63b445f9df779a02da66625f39cd34bdcfd22eb719c9dbac1e3a09a75c4beb2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-08-15T07:13:35Z",
    "title_canon_sha256": "39cdc3771ca5258e636300c805e9eaa8a8c4646093dcbfe0c2afa78a9be3d8cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.2946",
    "kind": "arxiv",
    "version": 1
  }
}