Pith Number

pith:GL43F4B6

pith:2011:GL43F4B6SSFYXY2RWJRLILJKVZ

not attested not anchored not stored refs pending

Time-Series Photometry of Stars in and around the Lagoon Nebula. I. Rotation Periods of 290 Low-Mass Pre-Main-Sequence Stars in NGC 6530

Calen B. Henderson, Keivan G. Stassun

arxiv:1112.2211 v2 · 2011-12-09 · 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{GL43F4B6SSFYXY2RWJRLILJKVZ}

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	2026-05-18T01:59:12.461086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32f9b2f03e948b8be351b262b42d2aae4b046fb79f69a9a5d1ec059138f679d7

Aliases

arxiv: 1112.2211 · arxiv_version: 1112.2211v2 · doi: 10.48550/arxiv.1112.2211 · pith_short_12: GL43F4B6SSFY · pith_short_16: GL43F4B6SSFYXY2R · pith_short_8: GL43F4B6

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/GL43F4B6SSFYXY2RWJRLILJKVZ \
  | 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: 32f9b2f03e948b8be351b262b42d2aae4b046fb79f69a9a5d1ec059138f679d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85e2edebf090ac7b174810fda32a169978d001bc50800005b5ef345cc4c791d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-12-09T21:00:02Z",
    "title_canon_sha256": "60696c19c82f3915f0cd3c6433178b08415278273b2ff11e2ad5807870b96dad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.2211",
    "kind": "arxiv",
    "version": 2
  }
}