Pith Number

pith:O65KHH2I

pith:2015:O65KHH2IEZP5NWYZCNEPJSTJOT

not attested not anchored not stored refs pending

The young low-mass star ISO-Oph-50: Extreme variability induced by a clumpy, evolving circumstellar disk

Aleks Scholz (St Andrews), Edinburgh), Koraljka Muzic (ESO), Vincent Geers (UK ATC

arxiv:1504.03568 v1 · 2015-04-14 · 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{O65KHH2IEZP5NWYZCNEPJSTJOT}

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	2026-05-18T01:35:48.540921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77baa39f48265fd6db191348f4ca6974c798997c255e9848e63bf9f03489ac09

Aliases

arxiv: 1504.03568 · arxiv_version: 1504.03568v1 · doi: 10.48550/arxiv.1504.03568 · pith_short_12: O65KHH2IEZP5 · pith_short_16: O65KHH2IEZP5NWYZ · pith_short_8: O65KHH2I

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/O65KHH2IEZP5NWYZCNEPJSTJOT \
  | 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: 77baa39f48265fd6db191348f4ca6974c798997c255e9848e63bf9f03489ac09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7623e484e20884184079e309277014d994d49770e5d374659af70526fc3f0893",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-04-14T14:44:16Z",
    "title_canon_sha256": "6d7961a730242a06d44dd0c9407b582cc1ea465166f03d8fec9a865d9d427dd2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03568",
    "kind": "arxiv",
    "version": 1
  }
}