Pith Number

pith:YRFTIWMJ

pith:2005:YRFTIWMJDPWZB3SORQJAT7MGFO

not attested not anchored not stored refs pending

Identification of the Red Supergiant Progenitor of Supernova 2005cs: Do the Progenitors of Type II-P Supernovae Have Low Mass?

(2) Spitzer Science Center, (3) CFHT corporation, (4) STScI), Adam G. Riess (4), Alexei V. Filippenko (1), Caltech, Jean-Charles Cuillandre (3), Joshua S. Bloom (1), Mario Livio (4) ((1) UCB, Saurabh Jha (1), Schuyler D. Van Dyk (2), Weidong Li (1)

arxiv:astro-ph/0507394 v1 · 2005-07-18 · 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{YRFTIWMJDPWZB3SORQJAT7MGFO}

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	2026-07-04T17:14:53.838724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c44b3459891bed90ee4e8c1209fd862ba83007eac7b534add032c49237f98f77

Aliases

arxiv: astro-ph/0507394 · arxiv_version: astro-ph/0507394v1 · doi: 10.48550/arxiv.astro-ph/0507394 · pith_short_12: YRFTIWMJDPWZ · pith_short_16: YRFTIWMJDPWZB3SO · pith_short_8: YRFTIWMJ

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/YRFTIWMJDPWZB3SORQJAT7MGFO \
  | 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: c44b3459891bed90ee4e8c1209fd862ba83007eac7b534add032c49237f98f77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7c60957877b1e4f85f20b90bb5c86fd08ab66ae19b8e50ad0fbf8e1c0dad2a7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-07-18T02:51:43Z",
    "title_canon_sha256": "ad3c639a07bb7062320546848cef4cf80d7283e8ce30b2e68639e20b763cca60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0507394",
    "kind": "arxiv",
    "version": 1
  }
}