Pith Number

pith:STQBWSGN

pith:2009:STQBWSGNFEQQCUNZCQKIFXWEGA

not attested not anchored not stored refs pending

On Type Ia Supernovae From The Collisions of Two White Dwarfs

Chris Fryer, Cody Raskin, Evan Scannapieco, F.X. Timmes, Steven Diehl

arxiv:0907.3915 v3 · 2009-07-22 · astro-ph.SR · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{STQBWSGNFEQQCUNZCQKIFXWEGA}

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	2026-05-18T02:12:54.534999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94e01b48cd29210151b9141482dec4300449c2d714e46ec278015078e55b0bc2

Aliases

arxiv: 0907.3915 · arxiv_version: 0907.3915v3 · doi: 10.48550/arxiv.0907.3915 · pith_short_12: STQBWSGNFEQQ · pith_short_16: STQBWSGNFEQQCUNZ · pith_short_8: STQBWSGN

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/STQBWSGNFEQQCUNZCQKIFXWEGA \
  | 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: 94e01b48cd29210151b9141482dec4300449c2d714e46ec278015078e55b0bc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85fec4bc2fcce0cb8fc7dda25039ac2440a433f6cd99ae6f2ad70327149d71e4",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-07-22T19:55:10Z",
    "title_canon_sha256": "04ff313ea567d00b46abc69b49ecfe358555feafe28565bb705995f0bb965636"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3915",
    "kind": "arxiv",
    "version": 3
  }
}