Pith Number

pith:DPSXC5VO

pith:2018:DPSXC5VODYFUYIQP7KSI3PV7YH

not attested not anchored not stored refs pending

Bright Type IIP Supernovae in Low-Metallicity Galaxies

Edo Berger, Matt Nicholl, Peter Blanchard, Sebastian Gomez, Spencer Scott

arxiv:1812.06559 v1 · 2018-12-16 · astro-ph.SR · astro-ph.CO · 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{DPSXC5VODYFUYIQP7KSI3PV7YH}

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	2026-05-17T23:56:16.477924Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1be57176ae1e0b4c220ffaa48dbebfc1dc115eac965e9407b2ec39ef1d59eb20

Aliases

arxiv: 1812.06559 · arxiv_version: 1812.06559v1 · doi: 10.48550/arxiv.1812.06559 · pith_short_12: DPSXC5VODYFU · pith_short_16: DPSXC5VODYFUYIQP · pith_short_8: DPSXC5VO

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/DPSXC5VODYFUYIQP7KSI3PV7YH \
  | 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: 1be57176ae1e0b4c220ffaa48dbebfc1dc115eac965e9407b2ec39ef1d59eb20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9be0706c5fc5eddf2f6d84132ff332f4a5bda63b2773edb6bba35d5a34a6f2fe",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-12-16T23:54:49Z",
    "title_canon_sha256": "6acd3ed06299455e933e7db35357f422aa04b125eb7e5bc84994e864ecf6c4d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.06559",
    "kind": "arxiv",
    "version": 1
  }
}