Pith. sign in
Pith Number

pith:C6A6ONQ4

pith:2007:C6A6ONQ4JD7KHUDOJ56YCCEZBE
not attested not anchored not stored refs pending

Are Complex A and the Orphan Stream related?

Cambridge), D. Lynden-Bell (Institute of Astronomy, Shoko Jin

arxiv:astro-ph/0703397 v2 · 2007-03-15 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{C6A6ONQ4JD7KHUDOJ56YCCEZBE}

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 2026-07-04T17:22:36.562128Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

1781e7361c48fea3d06e4f7d81089909019e3479d011c3cbe1811d930a02647a

Aliases

arxiv: astro-ph/0703397 · arxiv_version: astro-ph/0703397v2 · doi: 10.48550/arxiv.astro-ph/0703397 · pith_short_12: C6A6ONQ4JD7K · pith_short_16: C6A6ONQ4JD7KHUDO · pith_short_8: C6A6ONQ4
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/C6A6ONQ4JD7KHUDOJ56YCCEZBE \
  | 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: 1781e7361c48fea3d06e4f7d81089909019e3479d011c3cbe1811d930a02647a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e4f96b71f1f3c3b880b9ae48841715f59592522cb7e81b38e5fbe2d62f08a1aa",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-03-15T15:14:41Z",
    "title_canon_sha256": "546dccd7e5f14aab698c5799859b98442a8737ef7a10b21c521d6ecf7d4ccbe6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0703397",
    "kind": "arxiv",
    "version": 2
  }
}