Pith Number

pith:HZW4T2NJ

pith:2011:HZW4T2NJC27UEKWMDKI5U2WWPF

not attested not anchored not stored refs pending

High-energy radiation from the massive binary system Eta Carinae

J. Pabich, W. Bednarek

arxiv:1104.1275 v1 · 2011-04-07 · 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{HZW4T2NJC27UEKWMDKI5U2WWPF}

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	2026-05-18T02:02:36.834111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e6dc9e9a916bf422acc1a91da6ad6794ac1faf2efb9be15bf220a163f4ff99f

Aliases

arxiv: 1104.1275 · arxiv_version: 1104.1275v1 · doi: 10.48550/arxiv.1104.1275 · pith_short_12: HZW4T2NJC27U · pith_short_16: HZW4T2NJC27UEKWM · pith_short_8: HZW4T2NJ

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/HZW4T2NJC27UEKWMDKI5U2WWPF \
  | 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: 3e6dc9e9a916bf422acc1a91da6ad6794ac1faf2efb9be15bf220a163f4ff99f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f0ac0945c40694645a072c95ad20119e7fad137ee43286e6393522235d363b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-04-07T09:21:49Z",
    "title_canon_sha256": "effc9360f8bc733a975459e76000568f20612b4d0427ce468c2e78142132c340"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.1275",
    "kind": "arxiv",
    "version": 1
  }
}