Pith Number

pith:MO7YRDVD

pith:2015:MO7YRDVDSEO3GMDP5S2QRZCP7R

not attested not anchored not stored refs pending

Radio and X-rays From SN 2013df Enlighten Progenitors of Type IIb Supernovae

Alicia M. Soderberg, Atish Kamble, Claes Fransson, Dan Milisavljevic, Diana Powell, Jerod Parrent, Michael Bietenholz, Raffaella Margutti, Roger Chevalier, Sayan Chakraborti

arxiv:1504.07988 v1 · 2015-04-29 · 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{MO7YRDVDSEO3GMDP5S2QRZCP7R}

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	2026-07-05T01:33:32.047975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63bf888ea3911db3306fecb508e44ffc48b377619913afc35a46941c1a1ddb76

Aliases

arxiv: 1504.07988 · arxiv_version: 1504.07988v1 · doi: 10.48550/arxiv.1504.07988 · pith_short_12: MO7YRDVDSEO3 · pith_short_16: MO7YRDVDSEO3GMDP · pith_short_8: MO7YRDVD

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/MO7YRDVDSEO3GMDP5S2QRZCP7R \
  | 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: 63bf888ea3911db3306fecb508e44ffc48b377619913afc35a46941c1a1ddb76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9d9a3cd62e868f521f38ce78326fde6d40abc07a9b0f5aaa449b7addfd26570",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-04-29T20:00:29Z",
    "title_canon_sha256": "96d09c2977c279facd3857be0429811d0332b733a8c6e1f68d4e5b204901845e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07988",
    "kind": "arxiv",
    "version": 1
  }
}