Pith Number

pith:JFDPEIAL

pith:1997:JFDPEIALMNSMEFL2YG562PYZTF

not attested not anchored not stored refs pending

Probing the Geometry and Circumstellar Environment of SN 1993J in M81

(2) University of California, (3) Steward Observatory, (4) Ritter Observatory, (5) NOAO), Alexei V. Filippenko (2), Berkeley, Buell T. Jannuzi (5), Gary D. Schmidt (3), Hien D. Tran (1), Karen S. Bjorkman (4), Paul S. Smith (5) ((1) UCO/Lick Observatory

arxiv:astro-ph/9703134 v1 · 1997-03-21 · 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{JFDPEIALMNSMEFL2YG562PYZTF}

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

Interacting Supernovae: a Radio and X-ray Strategy to Constrain the Structure of the Circumstellar Medium

Receipt and verification

First computed	2026-07-04T16:02:55.879287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4946f2200b6364c2157ac1bbed3f1999794b60110535f5819a2d74fe2d26e070

Aliases

arxiv: astro-ph/9703134 · arxiv_version: astro-ph/9703134v1 · doi: 10.48550/arxiv.astro-ph/9703134 · pith_short_12: JFDPEIALMNSM · pith_short_16: JFDPEIALMNSMEFL2 · pith_short_8: JFDPEIAL

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/JFDPEIALMNSMEFL2YG562PYZTF \
  | 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: 4946f2200b6364c2157ac1bbed3f1999794b60110535f5819a2d74fe2d26e070

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4d6c6cdc64dd138995c279662be86b47c670e6adcf99dc4f514cfb0dff69b66",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-03-21T01:39:45Z",
    "title_canon_sha256": "ccbecfe5b74e4401e23423d78d6784841398e5db3006ba30e2ddc2deb7eb8532"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9703134",
    "kind": "arxiv",
    "version": 1
  }
}