Pith Number

pith:VNDKHFSS

pith:2011:VNDKHFSS3JLZEMQVTX45HOBOBT

not attested not anchored not stored refs pending

Precise Stellar Radial Velocities of an M Dwarf with a Michelson Interferometer and a Medium-resolution Near-infrared Spectrograph

Agnieszka Czeszumska, Andrew Vanderburg, Daniel Mondo, David J. Erskine, David Kimber, Edward H. Wishnow, James P. Lloyd, Jason T. Wright, Jerry Edelstein, Katherine Hamren, Kevin R. Covey, Matthew W. Muterspaugh, Philip S. Muirhead, Phillip Andelson, Samuel P. Halverson, Tony Mercer

arxiv:1103.0004 v2 · 2011-02-28 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VNDKHFSS3JLZEMQVTX45HOBOBT}

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	2026-05-18T02:03:02.091412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab46a39652da579232159df9d3b82e0cc7f0a824c1d2497edfcd6fadc8c29cc3

Aliases

arxiv: 1103.0004 · arxiv_version: 1103.0004v2 · doi: 10.48550/arxiv.1103.0004 · pith_short_12: VNDKHFSS3JLZ · pith_short_16: VNDKHFSS3JLZEMQV · pith_short_8: VNDKHFSS

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/VNDKHFSS3JLZEMQVTX45HOBOBT \
  | 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: ab46a39652da579232159df9d3b82e0cc7f0a824c1d2497edfcd6fadc8c29cc3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d37b1a85d2d8d06178ec52df71bbb80b868d999fb3d3f8bffa85e77a469f4aea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-02-28T21:00:01Z",
    "title_canon_sha256": "1c060460e2d77ddfca654442ee2e83c4de6dcd2c01590fe5ebf5e396e60c1844"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.0004",
    "kind": "arxiv",
    "version": 2
  }
}