Pith Number

pith:3I2N2K7W

pith:2016:3I2N2K7WO7IQFC76NKY5LVP4YY

not attested not anchored not stored refs pending

Comparison of Diversity of Type IIb Supernovae with Asymmetry in Cassiopeia A Using Light Echoes

Armin Rest, Federica B. Bianco, Kieran Finn, Maryam Modjaz, Yu-Qian Liu

arxiv:1605.03186 v2 · 2016-05-10 · 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{3I2N2K7WO7IQFC76NKY5LVP4YY}

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	2026-05-18T01:02:04.267523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da34dd2bf677d1028bfe6ab1d5d5fcc6362d299be8725963ebd8bd7d5a84b5de

Aliases

arxiv: 1605.03186 · arxiv_version: 1605.03186v2 · doi: 10.48550/arxiv.1605.03186 · pith_short_12: 3I2N2K7WO7IQ · pith_short_16: 3I2N2K7WO7IQFC76 · pith_short_8: 3I2N2K7W

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/3I2N2K7WO7IQFC76NKY5LVP4YY \
  | 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: da34dd2bf677d1028bfe6ab1d5d5fcc6362d299be8725963ebd8bd7d5a84b5de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47d33f3995dc9695f1c7e6c810e9cca815f4555c6d500f23984fa58dac39cdd0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-05-10T20:00:02Z",
    "title_canon_sha256": "183e548ad1c604876069e9638749f5ec2c4730eefcd7af3465326ac3aef63535"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.03186",
    "kind": "arxiv",
    "version": 2
  }
}