Pith Number

pith:PIYAH66U

pith:2010:PIYAH66UVJIPFEYCHZU6EGECCF

not attested not anchored not stored refs pending

Results from the Supernova Photometric Classification Challenge

Alexandre Glazov, Alex Conley, Ashish Mahabal, Bruce Bassett, David Parkinson, Donald P. Schneider, Dovi Poznanski, Heather Campbell, Hubert Lampeitl, James Newling, Joseph W. Richards, Joshua A. Frieman, Martin Kunz, Masao Sako, Mathew Smith, Maximilian Stritzinger, Melvin Varughese, Ninan Sajeeth Philip, Pavel Belov, Renee Hlozek, Richard Kessler, Robert C. Nichol, Santiago Gonzalez-Gaitan, Saurabh Jha, Stephen Kuhlmann, Steven A. Rodney, Vasudha Bhatnagar

arxiv:1008.1024 v2 · 2010-08-05 · astro-ph.CO

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

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	2026-05-18T04:20:51.218718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a3003fbd4aa50f293023e69e218821178e4845fdc3dea839325f9cbaaffa116

Aliases

arxiv: 1008.1024 · arxiv_version: 1008.1024v2 · doi: 10.48550/arxiv.1008.1024 · pith_short_12: PIYAH66UVJIP · pith_short_16: PIYAH66UVJIPFEYC · pith_short_8: PIYAH66U

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/PIYAH66UVJIPFEYCHZU6EGECCF \
  | 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: 7a3003fbd4aa50f293023e69e218821178e4845fdc3dea839325f9cbaaffa116

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9013990d94872ec79ad05d53bce21a9ec5c642f29e8c9d6c191f655e81670b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-08-05T17:01:51Z",
    "title_canon_sha256": "ceb8aa2ed616e06b9887e7893988add7957cbe7240fb6593d16657e15211fef5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.1024",
    "kind": "arxiv",
    "version": 2
  }
}