Pith Number

pith:4Y2DVN6J

pith:2011:4Y2DVN6J6LOJJITHG3LN4CEIEA

not attested not anchored not stored refs pending

Finding Supernova Ia Progenitors with the Chandra X-ray Observatory

Gijs Nelemans, Mikkel T.B. Nielsen, Rasmus Voss

arxiv:1101.5949 v1 · 2011-01-31 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4Y2DVN6J6LOJJITHG3LN4CEIEA}

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	2026-05-18T04:30:24.540041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6343ab7c9f2dc94a26736d6de08882036b1f2d7cba3857bd2a639f7c54941d9

Aliases

arxiv: 1101.5949 · arxiv_version: 1101.5949v1 · doi: 10.48550/arxiv.1101.5949 · pith_short_12: 4Y2DVN6J6LOJ · pith_short_16: 4Y2DVN6J6LOJJITH · pith_short_8: 4Y2DVN6J

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/4Y2DVN6J6LOJJITHG3LN4CEIEA \
  | 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: e6343ab7c9f2dc94a26736d6de08882036b1f2d7cba3857bd2a639f7c54941d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2491f299e95f94c4a2be36d2572468bf8ecd685364886a7b6d7aa1e86febbe08",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-01-31T13:24:28Z",
    "title_canon_sha256": "614823d4ebec7409abb00f31890b6ed3fa62b9dec9b47983c3ccb7a974afb30e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.5949",
    "kind": "arxiv",
    "version": 1
  }
}