Pith Number

pith:4R4QH5NC

pith:2008:4R4QH5NCRKNTWDZUC67U2FXOFZ

not attested not anchored not stored refs pending

Silicon carbide absorption features: dust formation in the outflows of extreme carbon stars

Adrian B. Corman, Angela K. Speck, Caleb H. Wheeler, Grant Thompson, Kristina Wakeman

arxiv:0810.2599 v1 · 2008-10-15 · 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{4R4QH5NCRKNTWDZUC67U2FXOFZ}

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	2026-05-18T04:29:26.014072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e47903f5a28a9b3b0f3417bf4d16ee2e531e9c13341e7693a2160f2b2794c89f

Aliases

arxiv: 0810.2599 · arxiv_version: 0810.2599v1 · doi: 10.48550/arxiv.0810.2599 · pith_short_12: 4R4QH5NCRKNT · pith_short_16: 4R4QH5NCRKNTWDZU · pith_short_8: 4R4QH5NC

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/4R4QH5NCRKNTWDZUC67U2FXOFZ \
  | 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: e47903f5a28a9b3b0f3417bf4d16ee2e531e9c13341e7693a2160f2b2794c89f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d7fc62595054d8bfea93eeb8aaf4fd8a2953c1bfc2a19c89b4466ca465e8d32",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-15T04:47:46Z",
    "title_canon_sha256": "fe2d3ff8d416bd2bab8dc1948f41b5f9f71558c78d48d098ba6c683b7cc7f2a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.2599",
    "kind": "arxiv",
    "version": 1
  }
}