Pith Number

pith:LKGTBMFQ

pith:2018:LKGTBMFQRBVQEML32JIRTRPOI4

not attested not anchored not stored refs pending

Binary Red Supergiants: A New Method for Detecting B-type Companions

Emily M. Levesque, Kathryn F. Neugent, Phil Massey

arxiv:1809.10071 v1 · 2018-09-26 · 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{LKGTBMFQRBVQEML32JIRTRPOI4}

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	2026-05-18T00:01:28.132119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a8d30b0b0886b02317bd25119c5ee4733cc62ec3b8582b195852bc420267395

Aliases

arxiv: 1809.10071 · arxiv_version: 1809.10071v1 · doi: 10.48550/arxiv.1809.10071 · pith_short_12: LKGTBMFQRBVQ · pith_short_16: LKGTBMFQRBVQEML3 · pith_short_8: LKGTBMFQ

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/LKGTBMFQRBVQEML32JIRTRPOI4 \
  | 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: 5a8d30b0b0886b02317bd25119c5ee4733cc62ec3b8582b195852bc420267395

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05e4124529a916cb7de21e0f9a9a1049476fc2c81078ec134551569425a3e932",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-09-26T15:46:01Z",
    "title_canon_sha256": "db85e2577211470fa1d99ccb55f27249ad1023849505427c6c3e2b7d25c48622"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.10071",
    "kind": "arxiv",
    "version": 1
  }
}