Pith Number

pith:GHQA2A4K

pith:2006:GHQA2A4KWEDBNEL35FGSSGVGA5

not attested not anchored not stored refs pending

Dwarf galaxies in Hickson Compact Groups

(2) Astrophysikalisches Institut Potsdam, (3) California State University, Chris Taylor (3) ((1) Astronomical Institute of the Ruhr-University Bochum, Dominik Bomans (1), Elvira Krusch (1), Ralf-Juergen Dettmar (1), Sacramento), Volker Mueller (2)

arxiv:astro-ph/0608147 v1 · 2006-08-07 · 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{GHQA2A4KWEDBNEL35FGSSGVGA5}

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	2026-05-18T01:40:29.977213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31e00d038ab10616917be94d291aa6075fbd2c42fb63ec17d58e8423493f3c1a

Aliases

arxiv: astro-ph/0608147 · arxiv_version: astro-ph/0608147v1 · doi: 10.48550/arxiv.astro-ph/0608147 · pith_short_12: GHQA2A4KWEDB · pith_short_16: GHQA2A4KWEDBNEL3 · pith_short_8: GHQA2A4K

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/GHQA2A4KWEDBNEL35FGSSGVGA5 \
  | 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: 31e00d038ab10616917be94d291aa6075fbd2c42fb63ec17d58e8423493f3c1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21ce42f32e82a4b9b04fc7734b68df57a4c5aeb396d372fd7405ff8a61ec6a12",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-08-07T13:09:17Z",
    "title_canon_sha256": "78030854f157a2a70ae4f336c8f8ccd909e9a42a8e44d508f147b7efe94293b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0608147",
    "kind": "arxiv",
    "version": 1
  }
}