Pith Number

pith:IVVBTOPR

pith:2021:IVVBTOPRVJDQ2KKQKAVOVJLWMK

not attested not anchored not stored refs pending

Core-collapse supernova simulations and the formation of neutron stars, hybrid stars, and black holes

Kei Kotake, Takami Kuroda, Tobias Fischer, Tomoya Takiwaki

arxiv:2109.01508 v2 · 2021-09-03 · 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{IVVBTOPRVJDQ2KKQKAVOVJLWMK}

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	2026-07-05T03:49:18.209733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

456a19b9f1aa470d2950502aeaa57662b4e95c304e7a8943ebb3d30671f894ec

Aliases

arxiv: 2109.01508 · arxiv_version: 2109.01508v2 · doi: 10.48550/arxiv.2109.01508 · pith_short_12: IVVBTOPRVJDQ · pith_short_16: IVVBTOPRVJDQ2KKQ · pith_short_8: IVVBTOPR

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/IVVBTOPRVJDQ2KKQKAVOVJLWMK \
  | 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: 456a19b9f1aa470d2950502aeaa57662b4e95c304e7a8943ebb3d30671f894ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1aaa8d8710c5c8120ea0438de9f9252662de810fbc5eb2be72b20f31a41357b1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-09-03T13:31:35Z",
    "title_canon_sha256": "2c23e414b38b4ae1d46ce8480e30a4225119a0c645ffeaa636c09615b763e1db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.01508",
    "kind": "arxiv",
    "version": 2
  }
}