Pith Number

pith:3MF3EHOV

pith:2016:3MF3EHOVIOWG2S3OX4PCIZCRYI

not attested not anchored not stored refs pending

Spectral type, temperature and evolutionary stage in cool supergiants

(2) Institute of Astronomy, 3) ((1) DFISTS, (3) Departamento de Astrof\'isica, Carlos Gonz\'alez-Fern\'andez (2), Hugo M. Tabernero (1, Ignacio Negueruela (1), Ricardo Dorda (1), Universidad Complutense de Madrid), Universidad de Alicante, University of Cambridge

arxiv:1605.03239 v1 · 2016-05-10 · 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{3MF3EHOVIOWG2S3OX4PCIZCRYI}

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	2026-05-18T01:11:11.751881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db0bb21dd543ac6d4b6ebf1e246451c22f2db7a0fd670512d2aeb76d35508e7f

Aliases

arxiv: 1605.03239 · arxiv_version: 1605.03239v1 · doi: 10.48550/arxiv.1605.03239 · pith_short_12: 3MF3EHOVIOWG · pith_short_16: 3MF3EHOVIOWG2S3O · pith_short_8: 3MF3EHOV

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/3MF3EHOVIOWG2S3OX4PCIZCRYI \
  | 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: db0bb21dd543ac6d4b6ebf1e246451c22f2db7a0fd670512d2aeb76d35508e7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9077fe88a657fe10bc45e6320b53fe9a110b1f056995b15269967479ae35a202",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-05-10T23:08:14Z",
    "title_canon_sha256": "584d0026d45e33e49118c38074ba9f498f82f184d37200f9b3b42185e4cff8b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.03239",
    "kind": "arxiv",
    "version": 1
  }
}