Pith Number

pith:DU5BYB4J

pith:2011:DU5BYB4JZEPNMUVREMYBBTTKCZ

not attested not anchored not stored refs pending

Pair-Instability Supernovae via Collision Runaway in Young Dense Star Clusters

Abraham Loeb, Daniel Kasen, Tony Pan

arxiv:1111.3648 v2 · 2011-11-15 · 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{DU5BYB4JZEPNMUVREMYBBTTKCZ}

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	2026-05-18T03:51:48.713392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d3a1c0789c91ed652b1233010ce6a164133ebe55553724365545a7eb2f2c7d2

Aliases

arxiv: 1111.3648 · arxiv_version: 1111.3648v2 · doi: 10.48550/arxiv.1111.3648 · pith_short_12: DU5BYB4JZEPN · pith_short_16: DU5BYB4JZEPNMUVR · pith_short_8: DU5BYB4J

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/DU5BYB4JZEPNMUVREMYBBTTKCZ \
  | 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: 1d3a1c0789c91ed652b1233010ce6a164133ebe55553724365545a7eb2f2c7d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2323c758f89489bbae585ad4f7bf640950434bae3da6d32b1a60fd28f6abd25c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-11-15T21:01:18Z",
    "title_canon_sha256": "7a850eab4e10904a99e1ee0bf4737198b258c634b0dbf118c90787f5673482a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.3648",
    "kind": "arxiv",
    "version": 2
  }
}