Pith Number

pith:3H5FIA7G

pith:2010:3H5FIA7GTPKNFEQ7IRCXIUQZUP

not attested not anchored not stored refs pending

Rotation periods of exoplanet host stars

2, (2) University of Southampton, 3), (3) Queen's University Belfast, (4) Tennessee State University), Chris Watson (3) ((1) Harvard-Smithsonian Center for Astrophysics, Elaine Simpson (1, Greg Henry (4), Sallie Baliunas (1)

arxiv:1006.4121 v1 · 2010-06-21 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3H5FIA7GTPKNFEQ7IRCXIUQZUP}

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	2026-05-18T02:06:44.000221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9fa5403e69bd4d2921f4445745219a3ddfa0a80e3490a57426a90710c575d28

Aliases

arxiv: 1006.4121 · arxiv_version: 1006.4121v1 · doi: 10.48550/arxiv.1006.4121 · pith_short_12: 3H5FIA7GTPKN · pith_short_16: 3H5FIA7GTPKNFEQ7 · pith_short_8: 3H5FIA7G

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/3H5FIA7GTPKNFEQ7IRCXIUQZUP \
  | 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: d9fa5403e69bd4d2921f4445745219a3ddfa0a80e3490a57426a90710c575d28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef5c8eb7dbb33f9a1c70dc1a1f9db6a0801273f1ae6fd9c58a6e56f812c36dd4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2010-06-21T17:07:50Z",
    "title_canon_sha256": "0409b98853416896b40b3596fe401f046acd7416fad41dd1a0117f0dd6e521b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.4121",
    "kind": "arxiv",
    "version": 1
  }
}