Pith Number

pith:GIQCBPQV

pith:2010:GIQCBPQVKDO4JHAM46BJHSELRD

not attested not anchored not stored refs pending

The 3-D Structure of SN 1987A's inner Ejecta

A. Jerkstrand, B. Leibundgut, C. Fransson, J. Spyromilio, K. Kjaer

arxiv:1003.5684 v2 · 2010-03-29 · astro-ph.SR · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GIQCBPQVKDO4JHAM46BJHSELRD}

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	2026-05-18T02:08:15.968988Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

322020be1550ddc49c0ce78293c88b88f6de26757a36011fafe22dc11c06a61a

Aliases

arxiv: 1003.5684 · arxiv_version: 1003.5684v2 · doi: 10.48550/arxiv.1003.5684 · pith_short_12: GIQCBPQVKDO4 · pith_short_16: GIQCBPQVKDO4JHAM · pith_short_8: GIQCBPQV

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/GIQCBPQVKDO4JHAM46BJHSELRD \
  | 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: 322020be1550ddc49c0ce78293c88b88f6de26757a36011fafe22dc11c06a61a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "096a538509b978cc63a42ae0f30c6ccf96fca28e331a135de1c481f3ed6504b8",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-03-29T21:19:17Z",
    "title_canon_sha256": "8148fff64464cc8001fe555b692b758a6438ebf58e66c553ed704659bed5a3a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.5684",
    "kind": "arxiv",
    "version": 2
  }
}