Pith Number

pith:ZMLBULBQ

pith:2022:ZMLBULBQTMPGZEGHJCKW3FKCJC

not attested not anchored not stored refs pending

Pre-main Sequence stars in LH91

E. Brocato, G. Beccari, G. de Marchi, K. Biazzo, N. Panagia, R. Carini

arxiv:2203.13647 v2 · 2022-03-25 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZMLBULBQTMPGZEGHJCKW3FKCJC}

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	2026-07-05T04:41:35.644218Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb161a2c309b1e6c90c748956d954248803319833c50e3fc3968b98988623c0c

Aliases

arxiv: 2203.13647 · arxiv_version: 2203.13647v2 · doi: 10.48550/arxiv.2203.13647 · pith_short_12: ZMLBULBQTMPG · pith_short_16: ZMLBULBQTMPGZEGH · pith_short_8: ZMLBULBQ

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/ZMLBULBQTMPGZEGHJCKW3FKCJC \
  | 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: cb161a2c309b1e6c90c748956d954248803319833c50e3fc3968b98988623c0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5430e0d3ce9bbfd63bb709e7d8717b23bea47ddd78633ed77f1d9db7ea136c38",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-03-25T13:49:56Z",
    "title_canon_sha256": "2064d63e26200c9c1f2dcd765aafc2f23b5b3608e20a3772deebcf74105eeb39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.13647",
    "kind": "arxiv",
    "version": 2
  }
}