Pith Number

pith:3LX4LEOT

pith:2020:3LX4LEOTYBXBCIMUSVMER5MAYD

not attested not anchored not stored refs pending

On `On the Red Supergiant Problem': a rebuttal, and a consensus on the upper mass cutoff for II-P progenitors

Ben Davies, Emma Beasor

arxiv:2005.13855 v1 · 2020-05-28 · astro-ph.SR · astro-ph.GA · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3LX4LEOTYBXBCIMUSVMER5MAYD}

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

Stellar evolution through the Red Supergiant phase

Receipt and verification

First computed	2026-07-05T01:08:55.216419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

daefc591d3c06e112194955848f580c0f3956ce5b12b667979bd12c051e4afe5

Aliases

arxiv: 2005.13855 · arxiv_version: 2005.13855v1 · doi: 10.48550/arxiv.2005.13855 · pith_short_12: 3LX4LEOTYBXB · pith_short_16: 3LX4LEOTYBXBCIMU · pith_short_8: 3LX4LEOT

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/3LX4LEOTYBXBCIMUSVMER5MAYD \
  | 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: daefc591d3c06e112194955848f580c0f3956ce5b12b667979bd12c051e4afe5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a634e7e1bca2abaa9607d08a536c636ccb0990c6dfd9afb4668f3f940e977536",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-05-28T09:10:37Z",
    "title_canon_sha256": "49caa22d5f601d1327ecfab90affaa1f295739038d719931710a1adfd0348930"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.13855",
    "kind": "arxiv",
    "version": 1
  }
}