Pith Number

pith:52MZU7GU

pith:2026:52MZU7GUIL247UQ52HLSGOLK5G

not attested not anchored not stored refs pending

The benefit of a multi-band high resolution spectroscopic monitoring for studying stellar transients: the NGC 300 OT2008-1 UVES spectrum as a test case

Andrea Pastorello, Elena Mason, Paolo Di Marcantonio, Steven N. Shore

arxiv:2605.21156 v1 · 2026-05-20 · 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{52MZU7GUIL247UQ52HLSGOLK5G}

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	2026-05-21T01:05:40.324484Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee999a7cd442f5cfd21dd1d723396ae9a76c2184e09c90d40ba7d9713e5da58e

Aliases

arxiv: 2605.21156 · arxiv_version: 2605.21156v1 · doi: 10.48550/arxiv.2605.21156 · pith_short_12: 52MZU7GUIL24 · pith_short_16: 52MZU7GUIL247UQ5 · pith_short_8: 52MZU7GU

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/52MZU7GUIL247UQ52HLSGOLK5G \
  | 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: ee999a7cd442f5cfd21dd1d723396ae9a76c2184e09c90d40ba7d9713e5da58e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02866d01438f7b3573ec082e7b4159ab9272eba7bae788635f4f8c25508d44c0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-05-20T13:26:19Z",
    "title_canon_sha256": "0c15bc5c15ea1562adbc886346154f13c026fc0c51130119f0f7bfd522c98b30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21156",
    "kind": "arxiv",
    "version": 1
  }
}