Pith Number

pith:HTT5JAJY

pith:2010:HTT5JAJYRCW2BFZSOGP3P5ZIAY

not attested not anchored not stored refs pending

The preferred direction of infalling satellite galaxies in the Local Group

Alexander Knebe, Gustavo Yepes, Matthias Steinmetz, Noam I Libeskind, Stefan Gottloeber, Yehuda Hoffman

arxiv:1010.1531 v1 · 2010-10-07 · astro-ph.CO · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HTT5JAJYRCW2BFZSOGP3P5ZIAY}

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	2026-05-18T02:05:07.929777Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ce7d4813888ada09732719fb7f7280605fbac76d9e725f4c094ca38c4de3fed

Aliases

arxiv: 1010.1531 · arxiv_version: 1010.1531v1 · doi: 10.48550/arxiv.1010.1531 · pith_short_12: HTT5JAJYRCW2 · pith_short_16: HTT5JAJYRCW2BFZS · pith_short_8: HTT5JAJY

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/HTT5JAJYRCW2BFZSOGP3P5ZIAY \
  | 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: 3ce7d4813888ada09732719fb7f7280605fbac76d9e725f4c094ca38c4de3fed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86319ff627677ebd0d04fdc2e64442142f698634d2267b57a35f6bad655e4c81",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-10-07T20:00:01Z",
    "title_canon_sha256": "a4e0532d43c212c1ff9fe8324350f9eae03fb313dee0a41885b05cd391d9ee2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.1531",
    "kind": "arxiv",
    "version": 1
  }
}