Pith Number

pith:4O4JNBK4

pith:2021:4O4JNBK43BQ3VAIWPIAXORVJTQ

not attested not anchored not stored refs pending

SN 2019hcc: A Type II Supernova Displaying Early O II Lines

Alexandra Kozyreva, Arne Rau, Claudia P. Gutierrez, Cosimo Inserra, Craig Pellegrino, Curtis McCully, Daichi Hiramatsu, D. Andrew Howell, Eleonora Parrag, Erkki Kankare, Giorgios Leloudas, Giuliano Pignata, Jamison Burke, Joseph Anderson, Lluis Galbany, Mariusz Gromadzki, Matt Nicholl, Regis Cartier, Steve Schulze, Ting-Wan Chen, Tomas E. Muller-Bravo

arxiv:2107.12017 v1 · 2021-07-26 · astro-ph.HE · 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{4O4JNBK43BQ3VAIWPIAXORVJTQ}

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	2026-07-05T03:06:33.338798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3b896855cd861ba81167a017746a99c21ea7a0f3f840e76d7d826d61df347fb

Aliases

arxiv: 2107.12017 · arxiv_version: 2107.12017v1 · doi: 10.48550/arxiv.2107.12017 · pith_short_12: 4O4JNBK43BQ3 · pith_short_16: 4O4JNBK43BQ3VAIW · pith_short_8: 4O4JNBK4

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/4O4JNBK43BQ3VAIWPIAXORVJTQ \
  | 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: e3b896855cd861ba81167a017746a99c21ea7a0f3f840e76d7d826d61df347fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "880004c7d2493e32d104e83ed599adb9fc2ed004a7d90f7db2232430b32214cf",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-07-26T08:13:53Z",
    "title_canon_sha256": "288b61a4aae43863ae9621cdb830a1f12bd2e33182a2f73cab7ba4e9273b8051"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.12017",
    "kind": "arxiv",
    "version": 1
  }
}