Pith Number

pith:5G5TJ3VO

pith:2017:5G5TJ3VOGP5D4SLKNWUHVCKB2R

not attested not anchored not stored refs pending

Red Supergiants as Cosmic Abundance Probes: massive star clusters in M83, and the mass-metallicity relation of nearby galaxies

Ben Davies, Bertrand Plez, Carmela Lardo, Chris Evans, Emma Beasor, Lee Patrick, Maria Bergemann, Nate Bastian, Rolf-Peter Kudritzki

arxiv:1708.08948 v1 · 2017-08-29 · 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{5G5TJ3VOGP5D4SLKNWUHVCKB2R}

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	2026-05-18T00:33:48.465764Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9bb34eeae33fa3e496a6da87a8941d476716c097991b316d25f6821119ff2d2

Aliases

arxiv: 1708.08948 · arxiv_version: 1708.08948v1 · doi: 10.48550/arxiv.1708.08948 · pith_short_12: 5G5TJ3VOGP5D · pith_short_16: 5G5TJ3VOGP5D4SLK · pith_short_8: 5G5TJ3VO

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/5G5TJ3VOGP5D4SLKNWUHVCKB2R \
  | 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: e9bb34eeae33fa3e496a6da87a8941d476716c097991b316d25f6821119ff2d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d01f21de5f7c0f83c4fdf7449d1014246efb5dac87e459b5b6811a581ce28c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-08-29T18:09:12Z",
    "title_canon_sha256": "abb5a34546afaa62b45a0d9c39eade767bf8b6f6ee35dedcfca5841e16d17056"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.08948",
    "kind": "arxiv",
    "version": 1
  }
}