Pith Number

pith:E22VVE3J

pith:2015:E22VVE3JCUHH4CUFRDMR5MYOW2

not attested not anchored not stored refs pending

Cassiopeia A and direct URCA cooling

G. F. Burgio, G. Taranto, H.-J. Schulze (INFN Catania)

arxiv:1511.04243 v1 · 2015-11-13 · nucl-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E22VVE3JCUHH4CUFRDMR5MYOW2}

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	2026-05-18T01:22:00.533364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26b55a9369150e7e0a8588d91eb30eb6901f5d34a6d5ea1d6e0cba9e3f28cb91

Aliases

arxiv: 1511.04243 · arxiv_version: 1511.04243v1 · doi: 10.48550/arxiv.1511.04243 · pith_short_12: E22VVE3JCUHH · pith_short_16: E22VVE3JCUHH4CUF · pith_short_8: E22VVE3J

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/E22VVE3JCUHH4CUFRDMR5MYOW2 \
  | 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: 26b55a9369150e7e0a8588d91eb30eb6901f5d34a6d5ea1d6e0cba9e3f28cb91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "654f362a6219d5ed6e1173de3b21f24886477dbc9330f4e9903e49c73df75e93",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2015-11-13T11:33:33Z",
    "title_canon_sha256": "c3aeeb22a8f1f30b2cd33a57e9e39d73cd5bb6cb3f40ee082b9cc436a9308a8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.04243",
    "kind": "arxiv",
    "version": 1
  }
}