Pith Number

pith:Y3UKVPTE

pith:2011:Y3UKVPTE4JCASKGC7J3O4PCDMR

not attested not anchored not stored refs pending

Imaging with HST the time evolution of Eta Carinae's colliding winds

Jose H. Groh, Michael F. Corcoran, Theodore R. Gull, Thomas I. Madura

arxiv:1110.6420 v2 · 2011-10-28 · 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{Y3UKVPTE4JCASKGC7J3O4PCDMR}

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	2026-05-18T01:59:50.483520Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6e8aabe64e2440928c2fa76ee3c43644cb25992f6e5cb5e8abfed5b716049f6

Aliases

arxiv: 1110.6420 · arxiv_version: 1110.6420v2 · doi: 10.48550/arxiv.1110.6420 · pith_short_12: Y3UKVPTE4JCA · pith_short_16: Y3UKVPTE4JCASKGC · pith_short_8: Y3UKVPTE

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/Y3UKVPTE4JCASKGC7J3O4PCDMR \
  | 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: c6e8aabe64e2440928c2fa76ee3c43644cb25992f6e5cb5e8abfed5b716049f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e60fc990b4386f1d2709298b29ad90be3d09127a9afc2a56cca11b13e7c9aba",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-10-28T18:42:20Z",
    "title_canon_sha256": "19fa170d1c395226e8500c6ac7ae4133e68d53c472225fcba4e1aa4b2ea19cb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.6420",
    "kind": "arxiv",
    "version": 2
  }
}