Pith Number

pith:Q3FWEY7U

pith:2011:Q3FWEY7UK7VLO4X67TFU55EPLQ

not attested not anchored not stored refs pending

The Tucana/Horologium, Columba, AB Doradus, and Argus Associations: New Members and Dusty Debris Disks

B. Zuckerman, Inseok Song, Joseph H. Rhee, M.S. Bessell

arxiv:1104.0284 v1 · 2011-04-02 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q3FWEY7UK7VLO4X67TFU55EPLQ}

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	2026-05-18T02:02:41.218779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86cb6263f457eab772fefccb4ef48f5c3956d62f00fd33d302b5aa652dcb48c9

Aliases

arxiv: 1104.0284 · arxiv_version: 1104.0284v1 · doi: 10.48550/arxiv.1104.0284 · pith_short_12: Q3FWEY7UK7VL · pith_short_16: Q3FWEY7UK7VLO4X6 · pith_short_8: Q3FWEY7U

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/Q3FWEY7UK7VLO4X67TFU55EPLQ \
  | 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: 86cb6263f457eab772fefccb4ef48f5c3956d62f00fd33d302b5aa652dcb48c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b90288af130d83c65bc591aa94369da6ed0efb6b44d4514efc9bd3bb35832018",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-04-02T03:53:34Z",
    "title_canon_sha256": "1ad8b183972713a3335c035a7627d2d9e7703e6fc8e1e5fc453d5d2096f4657a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.0284",
    "kind": "arxiv",
    "version": 1
  }
}