Pith Number

pith:I63UGP7V

pith:2020:I63UGP7VADXWG2NXSDJRUKGGSF

not attested not anchored not stored refs pending

The Uncertain Masses of Progenitors of Core Collapse Supernovae and Direct Collapse Black Holes

Eoin Farrell, Georges Meynet, JJ Eldridge, Jose Groh

arxiv:2001.08711 v1 · 2020-01-23 · 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{I63UGP7VADXWG2NXSDJRUKGGSF}

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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

Evolution and final fates of massive stars

Receipt and verification

First computed	2026-07-05T00:43:47.161734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47b7433ff500ef6369b790d31a28c691446b373a96beb277aa26335853a9c462

Aliases

arxiv: 2001.08711 · arxiv_version: 2001.08711v1 · doi: 10.48550/arxiv.2001.08711 · pith_short_12: I63UGP7VADXW · pith_short_16: I63UGP7VADXWG2NX · pith_short_8: I63UGP7V

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/I63UGP7VADXWG2NXSDJRUKGGSF \
  | 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: 47b7433ff500ef6369b790d31a28c691446b373a96beb277aa26335853a9c462

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c90d94e074c3d6aa3ad2e792dc5913c61148bef5fb2aa5ae569a97b40b5184f",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-01-23T18:03:04Z",
    "title_canon_sha256": "42eac12d33823ebe5b0478d6a8fb2be3158e4b048940259547a095d0fe02f21a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.08711",
    "kind": "arxiv",
    "version": 1
  }
}