Pith Number

pith:MKF5EB3S

pith:2011:MKF5EB3SQTRAA53YEISQNJ3RND

not attested not anchored not stored refs pending

Radio Emission from SN 1994I in NGC 5194 (M 51) - The Best Studied Type Ib/c Radio Supernova

Christopher L. Williams, Christopher Stockdale, Kurt W. Weiler, Michael Rupen, Nino Panagia, Richard A. Sramek

arxiv:1108.2692 v1 · 2011-08-12 · astro-ph.CO · 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{MKF5EB3SQTRAA53YEISQNJ3RND}

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	2026-05-18T02:00:54.559184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

628bd2077284e2007778222506a77168e80536f7285b52fc6ec5c47630ff88df

Aliases

arxiv: 1108.2692 · arxiv_version: 1108.2692v1 · doi: 10.48550/arxiv.1108.2692 · pith_short_12: MKF5EB3SQTRA · pith_short_16: MKF5EB3SQTRAA53Y · pith_short_8: MKF5EB3S

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/MKF5EB3SQTRAA53YEISQNJ3RND \
  | 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: 628bd2077284e2007778222506a77168e80536f7285b52fc6ec5c47630ff88df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74d9ba3c0217c4d08d90f027d7e80385c968dfe119edc47981ccb70f22533b70",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-08-12T19:26:23Z",
    "title_canon_sha256": "28e842495cda9606fbf8bab6c9c5163c84217e241ebc74df3f6a6c663b3c8128"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.2692",
    "kind": "arxiv",
    "version": 1
  }
}