Pith Number

pith:EXSOMZTG

pith:2023:EXSOMZTGYZ7AMHSAJSOHJEHMXC

not attested not anchored not stored refs pending

Direct detection of supernova progenitor stars with ZTF and LSST

Avishay Gal-Yam, Barak Zackay, Ben Rusholme, Eran O. Ofek, Frank J. Masci, Jesper Sollerman, Josiah Purdum, Nabeel Rehemtulla, Nora L. Strotjohann, Ofer Yaron, Phillipe Gris, Ping Chen

arxiv:2303.00010 v2 · 2023-02-28 · astro-ph.SR · astro-ph.GA · 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{EXSOMZTGYZ7AMHSAJSOHJEHMXC}

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	2026-07-05T07:14:52.470616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25e4e66666c67e061e404c9c7490ecb88d3f405fce5467120ad9f2daaba8651d

Aliases

arxiv: 2303.00010 · arxiv_version: 2303.00010v2 · doi: 10.48550/arxiv.2303.00010 · pith_short_12: EXSOMZTGYZ7A · pith_short_16: EXSOMZTGYZ7AMHSA · pith_short_8: EXSOMZTG

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/EXSOMZTGYZ7AMHSAJSOHJEHMXC \
  | 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: 25e4e66666c67e061e404c9c7490ecb88d3f405fce5467120ad9f2daaba8651d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09cb2c13f57caf26b8c576df5d920cd6f951c02975b9c5fb600d02c31e262288",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-02-28T19:00:01Z",
    "title_canon_sha256": "26473e0889312832620206169bd6d4734423065eac5dd334f269f8165c1bd118"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.00010",
    "kind": "arxiv",
    "version": 2
  }
}