Pith Number

pith:DZQT55DZ

pith:2012:DZQT55DZYMSBYPFX6PRJZMFA75

not attested not anchored not stored refs pending

Critical Conditions for Core-Collapse Supernovae

Shmuel Balberg, Uri Keshet

arxiv:1202.2359 v3 · 2012-02-10 · astro-ph.SR · 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{DZQT55DZYMSBYPFX6PRJZMFA75}

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	2026-05-18T03:22:52.350471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e613ef479c3241c3cb7f3e29cb0a0ff6e0dd07c8c4a9c4087538a23e0cc80a3

Aliases

arxiv: 1202.2359 · arxiv_version: 1202.2359v3 · doi: 10.48550/arxiv.1202.2359 · pith_short_12: DZQT55DZYMSB · pith_short_16: DZQT55DZYMSBYPFX · pith_short_8: DZQT55DZ

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/DZQT55DZYMSBYPFX6PRJZMFA75 \
  | 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: 1e613ef479c3241c3cb7f3e29cb0a0ff6e0dd07c8c4a9c4087538a23e0cc80a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c915e27778c04c8051e950411c6dad774aa47f2f0692310f7b62d778116bce1b",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-02-10T21:00:02Z",
    "title_canon_sha256": "f853c685bd962fe0f1676cd6a5a8927162f8f8174ea51d0fd28dffbb4be5fdf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2359",
    "kind": "arxiv",
    "version": 3
  }
}