Pith Number

pith:FPD6NKLU

pith:2013:FPD6NKLUJL5POCBU77A34UVVRQ

not attested not anchored not stored refs pending

Populations of Young Stellar Objects in Nearby Molecular Clouds

Shih-Ping Lai, Tien-Hao Hsieh

arxiv:1301.5426 v1 · 2013-01-23 · 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{FPD6NKLUJL5POCBU77A34UVVRQ}

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	2026-05-18T01:52:04.425562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bc7e6a9744afaf70834ffc1be52b58c3b2f44bfb4d3fd21d88127e163fa5185

Aliases

arxiv: 1301.5426 · arxiv_version: 1301.5426v1 · doi: 10.48550/arxiv.1301.5426 · pith_short_12: FPD6NKLUJL5P · pith_short_16: FPD6NKLUJL5POCBU · pith_short_8: FPD6NKLU

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/FPD6NKLUJL5POCBU77A34UVVRQ \
  | 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: 2bc7e6a9744afaf70834ffc1be52b58c3b2f44bfb4d3fd21d88127e163fa5185

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a876c25f184e6f90a1bfbeae40d9ab05344adcfd50603690dfb11fbf5ab1661",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-01-23T08:15:42Z",
    "title_canon_sha256": "d231c876bebc3cf859447b224086698f9f94328c3d520c8744265c483bf3f77b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.5426",
    "kind": "arxiv",
    "version": 1
  }
}