Pith Number

pith:PO27MWW6

pith:2022:PO27MWW6WMUZKTDJFYLZ442DC3

not attested not anchored not stored refs pending

Classifying Astronomical Transients Using Only Host Galaxy Photometry

Ann Zabludoff, Chia-Lin Ko, Kobus Barnard, Marina Kisley, Yu-Jing Qin

arxiv:2209.02784 v2 · 2022-09-06 · astro-ph.GA · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PO27MWW6WMUZKTDJFYLZ442DC3}

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.

Cited by

1 paper in Pith

The Impact of Host Galaxy Properties on Supernova Classification with Hierarchical Labels

Receipt and verification

First computed	2026-07-05T05:31:54.094268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bb5f65adeb329954c692e179e734316f957bf3b0a627312832a327a62a7c821

Aliases

arxiv: 2209.02784 · arxiv_version: 2209.02784v2 · doi: 10.48550/arxiv.2209.02784 · pith_short_12: PO27MWW6WMUZ · pith_short_16: PO27MWW6WMUZKTDJ · pith_short_8: PO27MWW6

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/PO27MWW6WMUZKTDJFYLZ442DC3 \
  | 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: 7bb5f65adeb329954c692e179e734316f957bf3b0a627312832a327a62a7c821

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ba3ce24183e4c85a7ca1539838f8a8d14c29aa1f00b5498274fbb5c959123bf",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-09-06T19:06:25Z",
    "title_canon_sha256": "0c3202e34e6b5f029c348a315437c0b89d505bd7f1c58d35a182c1a180e11c26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.02784",
    "kind": "arxiv",
    "version": 2
  }
}