Pith Number

pith:FMWT3N5A

pith:2007:FMWT3N5ADH2RLSIRJ7PTMDEA5D

not attested not anchored not stored refs pending

Optical Signatures of Circumstellar Interaction in Type IIP Supernovae

Nikolai N. Chugai, Roger A. Chevalier, Victor P. Utrobin

arxiv:astro-ph/0703468 v1 · 2007-03-17 · 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{FMWT3N5ADH2RLSIRJ7PTMDEA5D}

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	2026-05-18T04:29:05.572488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b2d3db7a019f515c9114fdf360c80e8eb4668d0cef7840fa8d866afebdde5c2

Aliases

arxiv: astro-ph/0703468 · arxiv_version: astro-ph/0703468v1 · doi: 10.48550/arxiv.astro-ph/0703468 · pith_short_12: FMWT3N5ADH2R · pith_short_16: FMWT3N5ADH2RLSIR · pith_short_8: FMWT3N5A

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/FMWT3N5ADH2RLSIRJ7PTMDEA5D \
  | 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: 2b2d3db7a019f515c9114fdf360c80e8eb4668d0cef7840fa8d866afebdde5c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6717421dbd4257ad11cabc3dfb3f78cb68e82fa3af0c4010be891f7bcef565fb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-03-17T14:21:40Z",
    "title_canon_sha256": "76742144c28a1a06dd4a1073e150031aca2b84d7d8f7b6ef1ded97149c61cccc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0703468",
    "kind": "arxiv",
    "version": 1
  }
}