Pith Number

pith:GSRNPWNW

pith:2009:GSRNPWNWMMLDN4EG242QHVWKRC

not attested not anchored not stored refs pending

Revealing evolved massive stars with Spitzer

A.Y.Kniazev, S.Fabrika, V.V.Gvaramadze

arxiv:0909.0458 v3 · 2009-09-02 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GSRNPWNWMMLDN4EG242QHVWKRC}

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	2026-05-18T02:12:00.750196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34a2d7d9b6631636f086d73503d6ca88b1af3ef6cb199eba51ba90d60b6bd27a

Aliases

arxiv: 0909.0458 · arxiv_version: 0909.0458v3 · doi: 10.48550/arxiv.0909.0458 · pith_short_12: GSRNPWNWMMLD · pith_short_16: GSRNPWNWMMLDN4EG · pith_short_8: GSRNPWNW

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/GSRNPWNWMMLDN4EG242QHVWKRC \
  | 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: 34a2d7d9b6631636f086d73503d6ca88b1af3ef6cb199eba51ba90d60b6bd27a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a18c795217beba797ab0c6a5edd7e347454c76687ae32516309198bdff61d60e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-02T15:23:09Z",
    "title_canon_sha256": "c1368c12c121af747d77b99eff77f1cf578bc05d09697dd4bc34d1d30c2cafb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.0458",
    "kind": "arxiv",
    "version": 3
  }
}