Pith Number

pith:N2I66PIB

pith:2021:N2I66PIBDIHAGSYGKJJH7VEC7S

not attested not anchored not stored refs pending

Optical Observations and Modeling of the Superluminous Supernova 2018lfe

Edo Berger, Griffin Hosseinzadeh, Matt Nicholl, Peter K. Blanchard, Sebastian Gomez, Yao Yin

arxiv:2109.06970 v1 · 2021-09-14 · astro-ph.HE · astro-ph.SR · hep-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N2I66PIBDIHAGSYGKJJH7VEC7S}

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	2026-07-05T04:27:45.426611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e91ef3d011a0e034b0652527fd482fc82d6212067aeee700114eb597b138f38

Aliases

arxiv: 2109.06970 · arxiv_version: 2109.06970v1 · doi: 10.48550/arxiv.2109.06970 · pith_short_12: N2I66PIBDIHA · pith_short_16: N2I66PIBDIHAGSYG · pith_short_8: N2I66PIB

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/N2I66PIBDIHAGSYGKJJH7VEC7S \
  | 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: 6e91ef3d011a0e034b0652527fd482fc82d6212067aeee700114eb597b138f38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3acaa8c61d43dacb715d6cf41f1d8d52cbe185364d3dfe58bf4c47e47b27c48d",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-09-14T21:01:02Z",
    "title_canon_sha256": "3fb230447a1593bb4d53fc52028d0ee082cd28654927cb494db5531239761cbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.06970",
    "kind": "arxiv",
    "version": 1
  }
}