Pith Number

pith:MYKGBQXY

pith:2003:MYKGBQXY6R2NEO4Q73FORITNBG

not attested not anchored not stored refs pending

A Catalog of Young Stellar Groups and Clusters Within 1kpc of the Sun

(2) California Institute of Technology, (3) Herzberg Institute of Astrophysics), Alicia Porras (1), James Di Francesco (3), Lori Allen (1), Micol Christopher (2), Philip C. Myers (1) ((1) Center for Astrophysics, S. Thomas Megeath (1)

arxiv:astro-ph/0307510 v1 · 2003-07-29 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MYKGBQXY6R2NEO4Q73FORITNBG}

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	2026-07-04T16:51:22.761692Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

661460c2f8f474d23b90fecae8a26d09a6ec2177c1327e524de43945f952c0eb

Aliases

arxiv: astro-ph/0307510 · arxiv_version: astro-ph/0307510v1 · doi: 10.48550/arxiv.astro-ph/0307510 · pith_short_12: MYKGBQXY6R2N · pith_short_16: MYKGBQXY6R2NEO4Q · pith_short_8: MYKGBQXY

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/MYKGBQXY6R2NEO4Q73FORITNBG \
  | 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: 661460c2f8f474d23b90fecae8a26d09a6ec2177c1327e524de43945f952c0eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e93426e1cd63ffa6f03590619794175beaacbeaad228dadeafe164fc734b5524",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-07-29T21:20:27Z",
    "title_canon_sha256": "a74c998c8fcf52c9b078b216f9928c309dd0ac2fdc3e90c2355ff833704dfab5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0307510",
    "kind": "arxiv",
    "version": 1
  }
}