Pith Number

pith:NDBXTSXM

pith:2016:NDBXTSXMMYJOILNUBY3ZKG22BV

not attested not anchored not stored refs pending

Rubidium-traced white-light etalon calibrator for radial velocity measurements at the cm/s level

Andreas Seifahrt, Christian Schwab, Jacob L. Bean, Julian St\"urmer

arxiv:1607.05172 v2 · 2016-07-18 · astro-ph.IM · 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{NDBXTSXMMYJOILNUBY3ZKG22BV}

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	2026-05-18T00:42:12.929388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68c379caec6612e42db40e37951b5a0d74b90b05f965c7ae27657b5422d39abb

Aliases

arxiv: 1607.05172 · arxiv_version: 1607.05172v2 · doi: 10.48550/arxiv.1607.05172 · pith_short_12: NDBXTSXMMYJO · pith_short_16: NDBXTSXMMYJOILNU · pith_short_8: NDBXTSXM

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/NDBXTSXMMYJOILNUBY3ZKG22BV \
  | 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: 68c379caec6612e42db40e37951b5a0d74b90b05f965c7ae27657b5422d39abb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c549dab4ec3dd829e084669d408a893aa8c2df95570aaa6d0807f42e2cd245a",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-07-18T16:38:01Z",
    "title_canon_sha256": "407369162c61bcd6da9ed3972f256689f2a2b8fb0bd2f1c90e7e1b4318b6deca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.05172",
    "kind": "arxiv",
    "version": 2
  }
}