Pith Number

pith:FOT6BZ6X

pith:1999:FOT6BZ6XUNVX5ZTRYU2JCQTDVP

not attested not anchored not stored refs pending

Radiation hydrodynamics of SN 1987A: I. Global analysis of the light curve for the first 4 months

Ken'ichi Nomoto, Koichi Iwamoto, Oleg Bartunov, Peter Lundqvist, Sergei Blinnikov

arxiv:astro-ph/9911205 v1 · 1999-11-11 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FOT6BZ6XUNVX5ZTRYU2JCQTDVP}

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

Multi-wavelength Constraints on the Transient EP250905a

Receipt and verification

First computed	2026-07-04T16:11:53.832270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ba7e0e7d7a36b7ee671c534914263abf837562f5d16c171b5077f6982fd703e

Aliases

arxiv: astro-ph/9911205 · arxiv_version: astro-ph/9911205v1 · doi: 10.48550/arxiv.astro-ph/9911205 · pith_short_12: FOT6BZ6XUNVX · pith_short_16: FOT6BZ6XUNVX5ZTR · pith_short_8: FOT6BZ6X

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/FOT6BZ6XUNVX5ZTRYU2JCQTDVP \
  | 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: 2ba7e0e7d7a36b7ee671c534914263abf837562f5d16c171b5077f6982fd703e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1cddc44144dac331be81c0050b16b12c3cffe715a1127995490bc638cb21b32f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-11-11T14:12:46Z",
    "title_canon_sha256": "f08eac966220ae052187fa1066b6195459a2bc062f88109385f5fbb21519c76d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9911205",
    "kind": "arxiv",
    "version": 1
  }
}