Pith Number

pith:DXQOHOCK

pith:2011:DXQOHOCKEGE6BHPSSLMPXACO47

not attested not anchored not stored refs pending

Dust discs around intermediate mass and Sun-like stars in the 16 Myr old NGC 1960 open cluster

R.D. Jeffries, R. Smith

arxiv:1110.4219 v1 · 2011-10-19 · 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{DXQOHOCKEGE6BHPSSLMPXACO47}

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	2026-05-18T02:00:08.764542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1de0e3b84a2189e09df292d8fb804ee7c97ac7d509846dc8288ca4bd381e3f45

Aliases

arxiv: 1110.4219 · arxiv_version: 1110.4219v1 · doi: 10.48550/arxiv.1110.4219 · pith_short_12: DXQOHOCKEGE6 · pith_short_16: DXQOHOCKEGE6BHPS · pith_short_8: DXQOHOCK

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/DXQOHOCKEGE6BHPSSLMPXACO47 \
  | 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: 1de0e3b84a2189e09df292d8fb804ee7c97ac7d509846dc8288ca4bd381e3f45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8686f6218031bb19c8b68fdb4bbe3ab94b9625b6479cd5a3f4c2375dda991efb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-10-19T09:15:59Z",
    "title_canon_sha256": "9d15418c05c6fcc714060f81419ccc1bc79fdc6fc5fb096c2762de02115ccf08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.4219",
    "kind": "arxiv",
    "version": 1
  }
}