Pith Number

pith:FQUZLRHH

pith:2009:FQUZLRHHYD4NPA2MHMB34STD6T

not attested not anchored not stored refs pending

Activity-induced radial velocity jitter in a flaring M dwarf

Ansgar Reiners

arxiv:0903.2661 v1 · 2009-03-15 · astro-ph.SR · 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{FQUZLRHHYD4NPA2MHMB34STD6T}

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	2026-05-18T02:14:28.143371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c2995c4e7c0f8d7834c3b03be4a63f4fbb4cb6a119f00ee7d0b1313a86f7304

Aliases

arxiv: 0903.2661 · arxiv_version: 0903.2661v1 · doi: 10.48550/arxiv.0903.2661 · pith_short_12: FQUZLRHHYD4N · pith_short_16: FQUZLRHHYD4NPA2M · pith_short_8: FQUZLRHH

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/FQUZLRHHYD4NPA2MHMB34STD6T \
  | 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: 2c2995c4e7c0f8d7834c3b03be4a63f4fbb4cb6a119f00ee7d0b1313a86f7304

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "450d9bdd5e0ded64fb35ccbfc5ca32994f3211f41900bb2e66cb7b250192a666",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-03-15T19:01:18Z",
    "title_canon_sha256": "2d35527c52513a32d3ac00c49d0c4b39fd8b1024e9c87bc678ff04868c901b2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.2661",
    "kind": "arxiv",
    "version": 1
  }
}