Pith Number

pith:QMNK32ID

pith:2015:QMNK32IDYOI2DLMSO26AUDU5G6

not attested not anchored not stored refs pending

Analyzing the Largest Spectroscopic Dataset of Stripped Supernovae to Improve Their Identifications and Constrain Their Progenitors

Federica B. Bianco, Maryam Modjaz, Or Graur, Yu-Qian Liu

arxiv:1510.08049 v4 · 2015-10-27 · astro-ph.HE · 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{QMNK32IDYOI2DLMSO26AUDU5G6}

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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	2026-05-18T01:08:26.290506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

831aade903c391a1ad9276bc0a0e9d37bd76aeb48cc012a7470dc692353dd3fd

Aliases

arxiv: 1510.08049 · arxiv_version: 1510.08049v4 · doi: 10.48550/arxiv.1510.08049 · pith_short_12: QMNK32IDYOI2 · pith_short_16: QMNK32IDYOI2DLMS · pith_short_8: QMNK32ID

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/QMNK32IDYOI2DLMSO26AUDU5G6 \
  | 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: 831aade903c391a1ad9276bc0a0e9d37bd76aeb48cc012a7470dc692353dd3fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cffbbb268ba979206b473d5c12dd5cc55d2a50a015eb94db88fcf59c2ca6aa84",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-10-27T19:58:07Z",
    "title_canon_sha256": "694b67fd74cecf53cbdddc5e9510e04a8292123d180878c8a54d75f995224702"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.08049",
    "kind": "arxiv",
    "version": 4
  }
}