Pith Number

pith:LIP4MWMU

pith:1997:LIP4MWMUOJADQZKINF7FRUZXCX

not attested not anchored not stored refs pending

Spatially Resolved STIS Spectroscopy of SN 1987A: Evidence for Shock Interaction with Circumstellar Gas

A. Boggess, A. C. Danks, B. E. Woodgate, C. S. J. Pun, C. W. Bowers, D. Lindler, G. Sonneborn, H. W. Moos, J. Grady, J. Loiacono, P. Lundqvist, P. Plait, R. A. Kimble, R. McCray, S. Kraemer, S. P. Maran, S. R. Heap, T. R. Gull

arxiv:astro-ph/9710373 v1 · 1997-10-31 · 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{LIP4MWMUOJADQZKINF7FRUZXCX}

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	2026-07-04T16:03:21.155706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a1fc659947240386548697e58d33715cb518b456b593a69b8b4a9461adc9735

Aliases

arxiv: astro-ph/9710373 · arxiv_version: astro-ph/9710373v1 · doi: 10.48550/arxiv.astro-ph/9710373 · pith_short_12: LIP4MWMUOJAD · pith_short_16: LIP4MWMUOJADQZKI · pith_short_8: LIP4MWMU

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/LIP4MWMUOJADQZKINF7FRUZXCX \
  | 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: 5a1fc659947240386548697e58d33715cb518b456b593a69b8b4a9461adc9735

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "215fdac8e32337b83074a69be49f1d4b06296cbf6dcd5083d05bd29dae34767c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-10-31T23:31:39Z",
    "title_canon_sha256": "17fa88f18a7d2d38902c790efca83f3afcf15463d625c1b839e4f238e830c989"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9710373",
    "kind": "arxiv",
    "version": 1
  }
}