Pith Number

pith:2EONP4U4

pith:2012:2EONP4U4PIBY2PTHXHWRCDKMLO

not attested not anchored not stored refs pending

Type-Ia Supernova Remnant Shell At $Z=3.5$ Seen In The Three Sightlines Toward The Gravitationally Lensed Qso B1422+231

Katsuya Okoshi, Naoto Kobayashi, Satoshi Hamano, Sohei Kondo, Takuji Tsujimoto, Toshikazu Shigeyama

arxiv:1206.3646 v1 · 2012-06-16 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2EONP4U4PIBY2PTHXHWRCDKMLO}

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	2026-05-18T02:31:36.302302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d11cd7f29c7a038d3e67b9ed110d4c5b831b553b24eb4bce518f8d0c3c450f71

Aliases

arxiv: 1206.3646 · arxiv_version: 1206.3646v1 · doi: 10.48550/arxiv.1206.3646 · pith_short_12: 2EONP4U4PIBY · pith_short_16: 2EONP4U4PIBY2PTH · pith_short_8: 2EONP4U4

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/2EONP4U4PIBY2PTHXHWRCDKMLO \
  | 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: d11cd7f29c7a038d3e67b9ed110d4c5b831b553b24eb4bce518f8d0c3c450f71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa2e687676fff6da417b2f6f1c0b3f164610f6624d6d78eef00966ec1a1d7f8f",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-06-16T08:53:05Z",
    "title_canon_sha256": "084cfb9b26b38e622662d49e05faf2694b835dc9265b704e96c14ff143fcfa84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.3646",
    "kind": "arxiv",
    "version": 1
  }
}