Pith Number

pith:HB6TBCG7

pith:2009:HB6TBCG7WGY4KIMPKELYEYAFXV

not attested not anchored not stored refs pending

The Frequency of Tidal Features Associated with Nearby Luminous Elliptical Galaxies from a Statistically Complete Sample

Jenica Nelan, Pieter G. van Dokkum, Rachel Bezanson, Tomer Tal

arxiv:0908.1382 v1 · 2009-08-10 · 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{HB6TBCG7WGY4KIMPKELYEYAFXV}

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	2026-05-18T02:12:35.873680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

387d3088dfb1b1c5218f5117826005bd5105e141cb40089e1617db3f69d0e58e

Aliases

arxiv: 0908.1382 · arxiv_version: 0908.1382v1 · doi: 10.48550/arxiv.0908.1382 · pith_short_12: HB6TBCG7WGY4 · pith_short_16: HB6TBCG7WGY4KIMP · pith_short_8: HB6TBCG7

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/HB6TBCG7WGY4KIMPKELYEYAFXV \
  | 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: 387d3088dfb1b1c5218f5117826005bd5105e141cb40089e1617db3f69d0e58e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "562c13a4693c4715a88d77e5fbd8f6234acbfe7c54c6f9089542d32a3299e035",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-10T20:08:05Z",
    "title_canon_sha256": "1b93c716b9ec68c5c39b9e48e9ea8ae880ed1d7e42e4b9970f8d3d527adcb9d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.1382",
    "kind": "arxiv",
    "version": 1
  }
}