Pith Number

pith:F2UQFQGB

pith:2011:F2UQFQGBBCDFWKO277WMJRLTTW

not attested not anchored not stored refs pending

The Cosmic Core-collapse Supernova Rate does not match the Massive-Star Formation Rate

Christopher S. Kochanek, John F. Beacom, Jose L. Prieto, K. Z. Stanek, Shunsaku Horiuchi, Todd A. Thompson

arxiv:1102.1977 v2 · 2011-02-09 · astro-ph.CO · 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{F2UQFQGBBCDFWKO277WMJRLTTW}

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

Neutrino Flavor Conversion Shapes the Rate of Failed Core-collapse Supernovae

Receipt and verification

First computed	2026-05-18T04:14:47.281552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ea902c0c108865b29daffecc4c5739d818b8bc42906fd08df272c876981f18c

Aliases

arxiv: 1102.1977 · arxiv_version: 1102.1977v2 · doi: 10.48550/arxiv.1102.1977 · pith_short_12: F2UQFQGBBCDF · pith_short_16: F2UQFQGBBCDFWKO2 · pith_short_8: F2UQFQGB

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/F2UQFQGBBCDFWKO277WMJRLTTW \
  | 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: 2ea902c0c108865b29daffecc4c5739d818b8bc42906fd08df272c876981f18c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d0610bb30813d6876fcc57da52997b72a201c9c6a6b146b1e8e6f6079d64c39",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-02-09T21:00:02Z",
    "title_canon_sha256": "67c83c4819e3ae29635666ce032f86c77125814778d4b3fb800a3adbcf3f463a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.1977",
    "kind": "arxiv",
    "version": 2
  }
}