Pith Number

pith:I3BQJ5TC

pith:2021:I3BQJ5TCAVLTLBNQEHDSK5P2Z3

not attested not anchored not stored refs pending

Testing Evolutionary Models with Red Supergiant and Wolf-Rayet Populations

Emily M. Levesque, E. R. Stanway, J. J. Eldridge, Kathryn F. Neugent, Philip Massey, Trevor Z. Dorn-Wallenstein

arxiv:2107.08304 v1 · 2021-07-17 · 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{I3BQJ5TCAVLTLBNQEHDSK5P2Z3}

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

Giants, Supergiants and Hypergiants

Receipt and verification

First computed	2026-07-05T03:38:24.193254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46c304f66205573585b021c72575facefa5660b5f694acd2e4c76806a017f1c6

Aliases

arxiv: 2107.08304 · arxiv_version: 2107.08304v1 · doi: 10.48550/arxiv.2107.08304 · pith_short_12: I3BQJ5TCAVLT · pith_short_16: I3BQJ5TCAVLTLBNQ · pith_short_8: I3BQJ5TC

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/I3BQJ5TCAVLTLBNQEHDSK5P2Z3 \
  | 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: 46c304f66205573585b021c72575facefa5660b5f694acd2e4c76806a017f1c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "246cbacb70feb9f167a29a0a07a9dfa5f1b5c5b39d35549cc126d3d929b14f59",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-07-17T19:21:29Z",
    "title_canon_sha256": "02c4986522c25e76e9729fbb40865648b7e0c3003bea3e9dea46b546fe2600b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.08304",
    "kind": "arxiv",
    "version": 1
  }
}