Pith Number

pith:4BVLOYZO

pith:2018:4BVLOYZOPWGGSAPWBJLC3E5ZL2

not attested not anchored not stored refs pending

SOFIA mid-infrared observations of Supernova 1987A in 2016 --- forward shocks and possible dust re-formation in the post-shocked region?

11) ((1) Cardiff University, (2) NASA Ames (3) NASA Goddard (4) University of Maryland-Baltimore County (5) UCL (6) SETI (7) CEA-Saclay (8) Universit\'e Paris Diderot (9) Osservatorio Astronomico di Trieste (10) STScI (11) Johns Hopkins University), 4), 6), 8), Antonia Bevan (5), Eli Dwek (3), Haley L. Gomez (1), James M. De Buizer (2), Jeonghee Rho (2, John Danziger (9), Margaret Meixner (10, Mikako Matsuura (1), M.J. Barlow (5), Patrice Bouchet (7, Phil Cigan (1), Richard G. Arendt (3, Roger Wesson (5)

arxiv:1810.03615 v1 · 2018-10-08 · 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{4BVLOYZOPWGGSAPWBJLC3E5ZL2}

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	2026-05-18T00:03:14.472849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e06ab7632e7d8c6901f60a562d93b95ea0a2a41317d4037f66358403065390cd

Aliases

arxiv: 1810.03615 · arxiv_version: 1810.03615v1 · doi: 10.48550/arxiv.1810.03615 · pith_short_12: 4BVLOYZOPWGG · pith_short_16: 4BVLOYZOPWGGSAPW · pith_short_8: 4BVLOYZO

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/4BVLOYZOPWGGSAPWBJLC3E5ZL2 \
  | 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: e06ab7632e7d8c6901f60a562d93b95ea0a2a41317d4037f66358403065390cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55e8a5d63a5a50fbd8f0d2f08c6b3939ba48e0225f98d3d5876212d6a893ccc1",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-10-08T18:00:02Z",
    "title_canon_sha256": "44dece11684bb24501bd1bd6442090a915ac75becfea6389535942e0ffabf44d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.03615",
    "kind": "arxiv",
    "version": 1
  }
}