Pith Number

pith:OPA2WEC5

pith:2011:OPA2WEC5QNMWN3KY5YZ3RLEDN5

not attested not anchored not stored refs pending

Early emission from type Ia supernovae

Eli Livne, Eli Waxman, Itay Rabinak

arxiv:1108.5548 v1 · 2011-08-29 · astro-ph.HE · 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{OPA2WEC5QNMWN3KY5YZ3RLEDN5}

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	2026-05-18T02:00:45.480539Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73c1ab105d835966ed58ee33b8ac836f6b678342aa297e0918557246bad739ec

Aliases

arxiv: 1108.5548 · arxiv_version: 1108.5548v1 · doi: 10.48550/arxiv.1108.5548 · pith_short_12: OPA2WEC5QNMW · pith_short_16: OPA2WEC5QNMWN3KY · pith_short_8: OPA2WEC5

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/OPA2WEC5QNMWN3KY5YZ3RLEDN5 \
  | 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: 73c1ab105d835966ed58ee33b8ac836f6b678342aa297e0918557246bad739ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bd62063ba00a2e5ff7183079a26f3730a79f4457a9b48ab3e1971b167027de5",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-08-29T14:10:50Z",
    "title_canon_sha256": "577c22f06172c975cdf7bc2b5ab2a4a769dcd0d1e1f76f73e09b73a38e2c0ac7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5548",
    "kind": "arxiv",
    "version": 1
  }
}