Pith Number

pith:Q6ZIYKNO

pith:2011:Q6ZIYKNOATG5HPSO2M7FEERHYM

not attested not anchored not stored refs pending

A new radiation-hydrodinamics code to study core-collapse supernova events

L. Zampieri, M.L. Pumo

arxiv:1109.1791 v1 · 2011-09-08 · 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{Q6ZIYKNOATG5HPSO2M7FEERHYM}

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	2026-05-18T04:13:48.060166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87b28c29ae04cdd3be4ed33e521227c32b2ddd8891c59e968a8260138f33b384

Aliases

arxiv: 1109.1791 · arxiv_version: 1109.1791v1 · doi: 10.48550/arxiv.1109.1791 · pith_short_12: Q6ZIYKNOATG5 · pith_short_16: Q6ZIYKNOATG5HPSO · pith_short_8: Q6ZIYKNO

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/Q6ZIYKNOATG5HPSO2M7FEERHYM \
  | 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: 87b28c29ae04cdd3be4ed33e521227c32b2ddd8891c59e968a8260138f33b384

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7f8d2b8dc66f73e3e7a07ee111a7be62b64b202422892973f1dd806f1852665",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-09-08T17:36:41Z",
    "title_canon_sha256": "030ae0cbc6f2a4b59818c583854ef6e3737383e1fb62077740d7015dc80fbef9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.1791",
    "kind": "arxiv",
    "version": 1
  }
}