Pith Number

pith:46MIVZUH

pith:2002:46MIVZUHOQOBOVYRMD4QRRRIVM

not attested not anchored not stored refs pending

Ripples and tails in the compact group of galaxies Hickson 54

A. Del Olmo, J. I. Iglesias-P\'aramo, J. M. V\'ilchez, J. Perea, L. Verdes-Montenegro, M. S. Yun, W. K. Huchtmeier

arxiv:astro-ph/0210162 v1 · 2002-10-07 · 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{46MIVZUHOQOBOVYRMD4QRRRIVM}

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	2026-05-18T01:09:03.590476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7988ae687741c17571160f908c628ab1ec246ea69468d5f2c17e48af13639f9

Aliases

arxiv: astro-ph/0210162 · arxiv_version: astro-ph/0210162v1 · doi: 10.48550/arxiv.astro-ph/0210162 · pith_short_12: 46MIVZUHOQOB · pith_short_16: 46MIVZUHOQOBOVYR · pith_short_8: 46MIVZUH

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/46MIVZUHOQOBOVYRMD4QRRRIVM \
  | 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: e7988ae687741c17571160f908c628ab1ec246ea69468d5f2c17e48af13639f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d9c791b1266ccc5bc2f7470011ce176557fa755ed56c9086575900e1f9e6dfd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-10-07T20:08:16Z",
    "title_canon_sha256": "060f3db48c6f5aefdadee4a8adce12fd2258c1d0cb3fd28561c34ff1aaa660a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0210162",
    "kind": "arxiv",
    "version": 1
  }
}