Pith Number

pith:4VLUY6PF

pith:2018:4VLUY6PF3KNRK5NEALEMKHFTMA

not attested not anchored not stored refs pending

ELT Spectroscopy of Extragalactic Massive Stars

C. J. Evans, M. Garcia, M. Puech, O. H. Ramirez-Agudelo, Y. Yang

arxiv:1810.01738 v1 · 2018-10-03 · astro-ph.SR · 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{4VLUY6PF3KNRK5NEALEMKHFTMA}

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.

Cited by

1 paper in Pith

A high-resolution K-band spectral atlas of massive stars

Receipt and verification

First computed	2026-05-18T00:04:11.119929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5574c79e5da9b1575a402c8c51cb3603e9a9ec793cc520f312637015844e1cb

Aliases

arxiv: 1810.01738 · arxiv_version: 1810.01738v1 · doi: 10.48550/arxiv.1810.01738 · pith_short_12: 4VLUY6PF3KNR · pith_short_16: 4VLUY6PF3KNRK5NE · pith_short_8: 4VLUY6PF

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/4VLUY6PF3KNRK5NEALEMKHFTMA \
  | 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: e5574c79e5da9b1575a402c8c51cb3603e9a9ec793cc520f312637015844e1cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9eb3298487f66281b6787c337e6896205ac50bed1b91052cf32a27a6b7f1ec99",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-10-03T13:49:00Z",
    "title_canon_sha256": "7fc0ba9212ac848bdc9d3120e7173b6fbdebec57c7d1de09a7707229d591d5a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.01738",
    "kind": "arxiv",
    "version": 1
  }
}