Pith Number

pith:ZDNJ42SW

pith:2021:ZDNJ42SW5PS47CNREO3V4MIOJB

not attested not anchored not stored refs pending

SN 2020cpg: an energetic link between type IIb and Ib supernovae

C. Ashall, C. Inserra, C. McCully, C. Pellegrino, C. P. Guti\'errez, D. A. Howell, D. Hiramatsu, E. Kankare, J. Burke, J. P. Anderson, J. Sollerman, J. Teffs, K. Medler, L. Galbany, M. Amenouche, M. Gromadzki, M. Nicholl, P. A. Mazzali, S. J. Prentice, T. E. M\"uller-Bravo, T. W. Chen

arxiv:2106.09505 v2 · 2021-06-17 · 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{ZDNJ42SW5PS47CNREO3V4MIOJB}

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.

Cited by

1 paper in Pith

SN 2025aico: Early observations of a faint Type IIb supernova with a low-mass envelope

Receipt and verification

First computed	2026-07-05T02:53:47.812470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8da9e6a56ebe5cf89b123b75e310e48710bc7530cac575a2ff3fcc3d61188bd

Aliases

arxiv: 2106.09505 · arxiv_version: 2106.09505v2 · doi: 10.48550/arxiv.2106.09505 · pith_short_12: ZDNJ42SW5PS4 · pith_short_16: ZDNJ42SW5PS47CNR · pith_short_8: ZDNJ42SW

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/ZDNJ42SW5PS47CNREO3V4MIOJB \
  | 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: c8da9e6a56ebe5cf89b123b75e310e48710bc7530cac575a2ff3fcc3d61188bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "738ace7a845e9b007d4e23b9a7b52804933a3b25c315b31d7a08485a0253a28b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-06-17T13:53:29Z",
    "title_canon_sha256": "1244ebb60e401c037917bc91ba7724c88dd85a673792e08ccc451aae753e5b11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.09505",
    "kind": "arxiv",
    "version": 2
  }
}