Pith Number

pith:OB6NOEM3

pith:2017:OB6NOEM3AH7FPHWCF6DE42DZ5Z

not attested not anchored not stored refs pending

Photometric classification and redshift estimation of LSST Supernovae

Eve Kovacs, Mi Dai, Steve Kuhlmann, Yun Wang

arxiv:1701.05689 v2 · 2017-01-20 · astro-ph.CO · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OB6NOEM3AH7FPHWCF6DE42DZ5Z}

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	2026-05-18T00:17:09.479551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

707cd7119b01fe579ec22f864e6879ee69e553f2c9dd0b30b66678206f673c07

Aliases

arxiv: 1701.05689 · arxiv_version: 1701.05689v2 · doi: 10.48550/arxiv.1701.05689 · pith_short_12: OB6NOEM3AH7F · pith_short_16: OB6NOEM3AH7FPHWC · pith_short_8: OB6NOEM3

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/OB6NOEM3AH7FPHWCF6DE42DZ5Z \
  | 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: 707cd7119b01fe579ec22f864e6879ee69e553f2c9dd0b30b66678206f673c07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e24d05372f7375bc7016d6bbd8bce05d33db2f7e34b0fa5f9d5e20ef2b0ead5",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-01-20T05:03:05Z",
    "title_canon_sha256": "ba95dc75de03fd3c00752809b374ff4a923a0e433d3d95efc63e0b2b1a015ad5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.05689",
    "kind": "arxiv",
    "version": 2
  }
}