Pith Number

pith:O6A3H2MM

pith:2016:O6A3H2MMAM5SBPLKIZZRUAJFVO

not attested not anchored not stored refs pending

Photometric Supernova Classification With Machine Learning

Hiranya V. Peiris, Jason D. McEwen, Max K. Winter, Michelle Lochner, Ofer Lahav

arxiv:1603.00882 v3 · 2016-03-02 · astro-ph.IM · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O6A3H2MMAM5SBPLKIZZRUAJFVO}

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	2026-05-18T01:05:12.566990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7781b3e98c033b20bd6a46731a0125abbffdf8d18818c87c7c1f97ce13409c8b

Aliases

arxiv: 1603.00882 · arxiv_version: 1603.00882v3 · doi: 10.48550/arxiv.1603.00882 · pith_short_12: O6A3H2MMAM5S · pith_short_16: O6A3H2MMAM5SBPLK · pith_short_8: O6A3H2MM

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/O6A3H2MMAM5SBPLKIZZRUAJFVO \
  | 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: 7781b3e98c033b20bd6a46731a0125abbffdf8d18818c87c7c1f97ce13409c8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "679115d21244a537ee6ec76252d6507fc8de8c70ed66ea26c68c218f573e518c",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-03-02T21:00:05Z",
    "title_canon_sha256": "5cba6c38de1c122eaa5170bcb2b449b18e9c2e735854ed44978df3cff93c41ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.00882",
    "kind": "arxiv",
    "version": 3
  }
}