Pith Number

pith:7CLONOK6

pith:2017:7CLONOK63ZP36CLUXFUWN237ML

not attested not anchored not stored refs pending

X-ray Emission from SN 2012ca: A Type Ia-CSM Supernova Explosion in a Dense Surrounding Medium

Alexei V. Filippenko (University of California, Berkeley), Caltech), C. D. Bochenek (University of Chicago, Jeffrey M. Silverman (University of Texas), Nathan Smith (Steward Observatory), Ori D. Fox (STScI), Roger A. Chevalier (University of Virginia), Vikram. V. Dwarkadas (University of Chicago)

arxiv:1708.07181 v1 · 2017-08-23 · 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{7CLONOK63ZP36CLUXFUWN237ML}

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	2026-05-18T00:32:05.587590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f896e6b95ede5fbf0974b96966eb7f62d7d4c0636bef331a96a6034737b3dce1

Aliases

arxiv: 1708.07181 · arxiv_version: 1708.07181v1 · doi: 10.48550/arxiv.1708.07181 · pith_short_12: 7CLONOK63ZP3 · pith_short_16: 7CLONOK63ZP36CLU · pith_short_8: 7CLONOK6

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/7CLONOK63ZP36CLUXFUWN237ML \
  | 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: f896e6b95ede5fbf0974b96966eb7f62d7d4c0636bef331a96a6034737b3dce1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d27267c672cbe60aae7b4257715e92c4ca1c83146dc9fb8af099408d89d8193",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-08-23T20:31:13Z",
    "title_canon_sha256": "105c5cca46858afe7a867bc957e680d2c55e6f4788c0d2133b9bebffa1f303db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07181",
    "kind": "arxiv",
    "version": 1
  }
}