Pith Number

pith:4YYAAZOH

pith:2015:4YYAAZOHQEFW3CXX7MAHXYZB3W

not attested not anchored not stored refs pending

Light-travel-time diagnostics in early Supernova spectra: substantial mass loss of the IIb progenitor of SN 2013cu through a superwind

G. Gr\"afener, J. S. Vink

arxiv:1510.00013 v1 · 2015-09-30 · 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{4YYAAZOHQEFW3CXX7MAHXYZB3W}

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.

Cited by

1 paper in Pith

JWST observations of SN 2024abup: First Detection of CO in a broad-lined Type Ic Supernova and Constraints on r-process Nucleosynthesis

Receipt and verification

First computed	2026-05-18T01:27:22.364439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6300065c7810b6d8af7fb007be321dd8ca26b6673bd80496463c7b668b9a34e

Aliases

arxiv: 1510.00013 · arxiv_version: 1510.00013v1 · doi: 10.48550/arxiv.1510.00013 · pith_short_12: 4YYAAZOHQEFW · pith_short_16: 4YYAAZOHQEFW3CXX · pith_short_8: 4YYAAZOH

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/4YYAAZOHQEFW3CXX7MAHXYZB3W \
  | 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: e6300065c7810b6d8af7fb007be321dd8ca26b6673bd80496463c7b668b9a34e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f183dc48d49aff7701860ed2d1ccac1874a88e5244aa1026fbd9125edb10187",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-09-30T20:11:01Z",
    "title_canon_sha256": "ce71204d118f01537d9fa8da65f11b0c3fe21c5cdc2eeae1bc568a3badce2076"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.00013",
    "kind": "arxiv",
    "version": 1
  }
}