Pith Number

pith:6R7EKLAZ

pith:2006:6R7EKLAZ3OXUV2VRCUWJW2VPZZ

not attested not anchored not stored refs pending

Deep imaging survey of the environment of Alpha Centauri - II. CCD imaging with the NTT-SUSI2 camera

Fr\'ed\'eric Th\'evenin (OCA), Pierre Kervella (LESIA)

arxiv:astro-ph/0612223 v1 · 2006-12-08 · 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{6R7EKLAZ3OXUV2VRCUWJW2VPZZ}

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	2026-05-18T01:09:10.338574Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f47e452c19dbaf4aeab1152c9b6aafce6b02343a2d949721e0c06fb2d31d846b

Aliases

arxiv: astro-ph/0612223 · arxiv_version: astro-ph/0612223v1 · doi: 10.48550/arxiv.astro-ph/0612223 · pith_short_12: 6R7EKLAZ3OXU · pith_short_16: 6R7EKLAZ3OXUV2VR · pith_short_8: 6R7EKLAZ

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/6R7EKLAZ3OXUV2VRCUWJW2VPZZ \
  | 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: f47e452c19dbaf4aeab1152c9b6aafce6b02343a2d949721e0c06fb2d31d846b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef5820c8d046207d83a9ec9ae4cffabdc5ea2626c66d61cae28836dbf8989228",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-12-08T15:27:58Z",
    "title_canon_sha256": "c00f7f0850daa0b4535d76d35828bc7136153b2d0460e6f5cc9d446f3c54d3e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0612223",
    "kind": "arxiv",
    "version": 1
  }
}