Pith Number

pith:2DPSVJ2S

pith:2011:2DPSVJ2SVAB25IYMKBGFNAHQ5N

not attested not anchored not stored refs pending

Helium star donor channel to type Ia supernovae and their surviving companion stars

Bo Wang, Zhanwen Han

arxiv:1111.1503 v1 · 2011-11-07 · 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{2DPSVJ2SVAB25IYMKBGFNAHQ5N}

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	2026-05-18T04:09:25.955173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0df2aa752a803aea30c504c5680f0eb5ffccfef89f4952202bd740a5c456b59

Aliases

arxiv: 1111.1503 · arxiv_version: 1111.1503v1 · doi: 10.48550/arxiv.1111.1503 · pith_short_12: 2DPSVJ2SVAB2 · pith_short_16: 2DPSVJ2SVAB25IYM · pith_short_8: 2DPSVJ2S

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/2DPSVJ2SVAB25IYMKBGFNAHQ5N \
  | 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: d0df2aa752a803aea30c504c5680f0eb5ffccfef89f4952202bd740a5c456b59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "653151a5d85567676025f67f046c9b0678b2f724eb9a39fdc4875462cd3d51ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-11-07T08:38:14Z",
    "title_canon_sha256": "0584e48ac69810a96cb03f710d423d32d353d2d7c5b104ffd82e4a7ae464352a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.1503",
    "kind": "arxiv",
    "version": 1
  }
}