Pith Number

pith:ZHPQXWK7

pith:2006:ZHPQXWK7C6KPRUYJRZ353SWFP2

not attested not anchored not stored refs pending

A direct and differential imaging search for sub-stellar companions to epsilon Indi A

E. Masciadri, K. Geissler, L. Close, M. Endl, M. Hartung, M. Kuerster, R. Lenzen, S. Kellner, T. Henning, W. Brandner

arxiv:astro-ph/0611336 v1 · 2006-11-10 · 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{ZHPQXWK7C6KPRUYJRZ353SWFP2}

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	2026-07-04T16:59:38.226937Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9df0bd95f1794f8d3098e77ddcac57eb85df04d376391b6cc5b7661e5e0cd29

Aliases

arxiv: astro-ph/0611336 · arxiv_version: astro-ph/0611336v1 · doi: 10.48550/arxiv.astro-ph/0611336 · pith_short_12: ZHPQXWK7C6KP · pith_short_16: ZHPQXWK7C6KPRUYJ · pith_short_8: ZHPQXWK7

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/ZHPQXWK7C6KPRUYJRZ353SWFP2 \
  | 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: c9df0bd95f1794f8d3098e77ddcac57eb85df04d376391b6cc5b7661e5e0cd29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e37f837167c70f6a07aaf322ec00933fe1bdd960b261d4322ce258c01e95626a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-11-10T14:31:13Z",
    "title_canon_sha256": "aac39e5cbe7c6c68c143b1cec96d2c71b90b6e81cfa1140e720072c219fbf27c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0611336",
    "kind": "arxiv",
    "version": 1
  }
}