Pith Number

pith:EH6DJDMK

pith:2002:EH6DJDMK2LAS3EDEBIQBNTUUSC

not attested not anchored not stored refs pending

Effects of Relativistic Expansion on the Late-time Supernova Light Curves

College of Science, Koichi Iwamoto (Department of Physics, Nihon University), Technology

arxiv:astro-ph/0201100 v1 · 2002-01-08 · 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{EH6DJDMK2LAS3EDEBIQBNTUUSC}

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	2026-05-18T01:40:43.441749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21fc348d8ad2c12d90640a2016ce9490b4f891225dc6ec1857cc1300e8ce051a

Aliases

arxiv: astro-ph/0201100 · arxiv_version: astro-ph/0201100v1 · doi: 10.48550/arxiv.astro-ph/0201100 · pith_short_12: EH6DJDMK2LAS · pith_short_16: EH6DJDMK2LAS3EDE · pith_short_8: EH6DJDMK

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/EH6DJDMK2LAS3EDEBIQBNTUUSC \
  | 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: 21fc348d8ad2c12d90640a2016ce9490b4f891225dc6ec1857cc1300e8ce051a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3e05935f8e28df61a173bc7d025b7ed02bea49461db5bdaf1bc9ec3e7a73e69",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-01-08T02:08:49Z",
    "title_canon_sha256": "a73c6b9a4a6bbbbf89bef23e188c491e89d7d6facde759bdabd8fd53b577b299"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0201100",
    "kind": "arxiv",
    "version": 1
  }
}