Pith Number

pith:PT3ZXK4U

pith:2009:PT3ZXK4UWYV3E2KX3JPE53SG6A

not attested not anchored not stored refs pending

A comprehensive progenitor model for SNe Ia

Wuming Yang, Xiangcun Meng

arxiv:0910.4992 v2 · 2009-10-26 · 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{PT3ZXK4UWYV3E2KX3JPE53SG6A}

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	2026-05-18T02:34:12.815074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cf79bab94b62bb26957da5e4eee46f0038d683d0dc127c5caf6bae856705c7f

Aliases

arxiv: 0910.4992 · arxiv_version: 0910.4992v2 · doi: 10.48550/arxiv.0910.4992 · pith_short_12: PT3ZXK4UWYV3 · pith_short_16: PT3ZXK4UWYV3E2KX · pith_short_8: PT3ZXK4U

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/PT3ZXK4UWYV3E2KX3JPE53SG6A \
  | 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: 7cf79bab94b62bb26957da5e4eee46f0038d683d0dc127c5caf6bae856705c7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "729d83d4c2cdeae12feb89d2f61b1605f8c8ec877ac185457e798b5344536a7d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-10-26T21:54:38Z",
    "title_canon_sha256": "1bdf15a00e9b868e73d9561732d6355982b9e28731e8fa2cec97455a7ddf1db0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.4992",
    "kind": "arxiv",
    "version": 2
  }
}