Pith Number

pith:GB2HO7E2

pith:2016:GB2HO7E2MK4ZKCBQJ5M4LIGBQB

not attested not anchored not stored refs pending

Tracing back the evolution of the candidate LBV HD168625

C. Waelkens, D. Hutsem\'ekers, L. Mahy, P. Royer

arxiv:1608.01087 v1 · 2016-08-03 · 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{GB2HO7E2MK4ZKCBQJ5M4LIGBQB}

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	2026-05-18T01:01:22.744465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3074777c9a62b99508304f59c5a0c1805a82320324afafc24e4012e72cc06436

Aliases

arxiv: 1608.01087 · arxiv_version: 1608.01087v1 · doi: 10.48550/arxiv.1608.01087 · pith_short_12: GB2HO7E2MK4Z · pith_short_16: GB2HO7E2MK4ZKCBQ · pith_short_8: GB2HO7E2

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/GB2HO7E2MK4ZKCBQJ5M4LIGBQB \
  | 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: 3074777c9a62b99508304f59c5a0c1805a82320324afafc24e4012e72cc06436

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7773b8543ff8c4da96eb378cc69ad8eadb42954389fb162c2c75e10573c1660e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-08-03T06:32:38Z",
    "title_canon_sha256": "66c5473c0c68039ce4452b0315a29ba454f4f71dac0dd3d9844efbbfd5efaf7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.01087",
    "kind": "arxiv",
    "version": 1
  }
}