Pith Number

pith:EGZOHKUD

pith:2007:EGZOHKUDCZIK7AH2E5MPT5HCKT

not attested not anchored not stored refs pending

Ruling out a massive-assymptoic giant-branch star as the progenitor of supernova 2005cs

J.J. Eldridge, S.J. Smartt, S. Mattila

arxiv:astro-ph/0701152 v1 · 2007-01-05 · 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{EGZOHKUDCZIK7AH2E5MPT5HCKT}

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	2026-07-04T15:21:51.617056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21b2e3aa831650af80fa2758f9f4e254d764331773a10d4226eceeb4ea69f001

Aliases

arxiv: astro-ph/0701152 · arxiv_version: astro-ph/0701152v1 · doi: 10.48550/arxiv.astro-ph/0701152 · pith_short_12: EGZOHKUDCZIK · pith_short_16: EGZOHKUDCZIK7AH2 · pith_short_8: EGZOHKUD

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/EGZOHKUDCZIK7AH2E5MPT5HCKT \
  | 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: 21b2e3aa831650af80fa2758f9f4e254d764331773a10d4226eceeb4ea69f001

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a10cac7208d063b994c4180e8fa5d52ad47b53fc63baefc6cd58a0f8482433a2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-01-05T21:00:31Z",
    "title_canon_sha256": "f196d4462e89c378f7da500954508b7c7bd2189cdf16106b380d433f55d118ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0701152",
    "kind": "arxiv",
    "version": 1
  }
}