Pith Number

pith:NGBLKH36

pith:2016:NGBLKH36EF4IIQBAQ3WN5YTLUG

not attested not anchored not stored refs pending

Three supernova shells around a young star cluster in M33

Alejandro Borlaff, Artemi Camps-Fari\~na, Javier Zaragoza-Cardiel, Joan Font, John E. Beckman, Philippe Amram

arxiv:1605.06403 v1 · 2016-05-20 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NGBLKH36EF4IIQBAQ3WN5YTLUG}

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	2026-05-18T01:11:10.227334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6982b51f7e217884402086ecdee26ba19850f0d35466fbb1f57b79e51aa74676

Aliases

arxiv: 1605.06403 · arxiv_version: 1605.06403v1 · doi: 10.48550/arxiv.1605.06403 · pith_short_12: NGBLKH36EF4I · pith_short_16: NGBLKH36EF4IIQBA · pith_short_8: NGBLKH36

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/NGBLKH36EF4IIQBAQ3WN5YTLUG \
  | 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: 6982b51f7e217884402086ecdee26ba19850f0d35466fbb1f57b79e51aa74676

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18602d9b9f4894207577ad33086e4ea3326709d994a7028b87ef5e1ffece7df2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-05-20T15:25:06Z",
    "title_canon_sha256": "3aee51884e8cc28274b01a7f4e9b8220ecd7fdb08972cc2e86b248046f7c6322"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.06403",
    "kind": "arxiv",
    "version": 1
  }
}