Pith Number

pith:6UDBX32F

pith:2010:6UDBX32FYEQY4GIJBS5T3L5NJL

not attested not anchored not stored refs pending

The type Ib supernova 2010O: an explosion in a Wolf-Rayet X-ray binary?

G. Nelemans, G. Roelofs, M.T.B. Nielsen, R. Voss

arxiv:1002.1647 v2 · 2010-02-08 · astro-ph.HE · 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{6UDBX32FYEQY4GIJBS5T3L5NJL}

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	2026-05-18T02:09:11.256724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5061bef45c1218e19090cbb3dafad4ad856f6601abbbad88ff00f3031a62832

Aliases

arxiv: 1002.1647 · arxiv_version: 1002.1647v2 · doi: 10.48550/arxiv.1002.1647 · pith_short_12: 6UDBX32FYEQY · pith_short_16: 6UDBX32FYEQY4GIJ · pith_short_8: 6UDBX32F

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/6UDBX32FYEQY4GIJBS5T3L5NJL \
  | 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: f5061bef45c1218e19090cbb3dafad4ad856f6601abbbad88ff00f3031a62832

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9972cb2c06c816fbc46561d56cfb27c366adbaf9a2e45725f8a7a73668f3d06",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-02-08T16:39:53Z",
    "title_canon_sha256": "3d57e86da3efedff161613cd41e6d36750b688776eae0687fbafe0192a84658d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.1647",
    "kind": "arxiv",
    "version": 2
  }
}