Pith Number

pith:GLMLLSTL

pith:1999:GLMLLSTLBNTNU6LDI5GN2P4SJK

not attested not anchored not stored refs pending

ISO SWS/LWS observations of SN 1987A

A.P.S. Crotts, B. Larsson, C. Kozma, D. Kunze, J. Danziger, J. Sollerman, J. Spyromilio, P. Lundqvist

arxiv:astro-ph/9905389 v1 · 1999-05-29 · 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{GLMLLSTLBNTNU6LDI5GN2P4SJK}

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	2026-07-04T14:16:44.307934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32d8b5ca6b0b66da7963474cdd3f924ab15e955041582bb91355fd1914d79d38

Aliases

arxiv: astro-ph/9905389 · arxiv_version: astro-ph/9905389v1 · doi: 10.48550/arxiv.astro-ph/9905389 · pith_short_12: GLMLLSTLBNTN · pith_short_16: GLMLLSTLBNTNU6LD · pith_short_8: GLMLLSTL

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/GLMLLSTLBNTNU6LDI5GN2P4SJK \
  | 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: 32d8b5ca6b0b66da7963474cdd3f924ab15e955041582bb91355fd1914d79d38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d11c326352afcec7b45a763ac92eea1f4eb5b178281ed8a14d512ee486f8b13",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-05-29T15:08:39Z",
    "title_canon_sha256": "a2ac9f386c5206a412910655b7a0446401f3e94e86a14774c309594eaa03d0f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9905389",
    "kind": "arxiv",
    "version": 1
  }
}