Pith Number

pith:NQSPTKDW

pith:2019:NQSPTKDWZXSDNII3LCTVWYK2DD

not attested not anchored not stored refs pending

The Measured Impact of Chromatic Atmospheric Effects on Barycentric Corrections: Results from the EXtreme PREcision Spectrograph

Debra Fischer, Joel Ong, Ryan Blackman

arxiv:1906.01653 v1 · 2019-06-04 · astro-ph.EP · 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{NQSPTKDWZXSDNII3LCTVWYK2DD}

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	2026-05-17T23:41:07.976029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c24f9a876cde436a11b58a75b615a18e20a6382ca759f90c32533172b6108f8

Aliases

arxiv: 1906.01653 · arxiv_version: 1906.01653v1 · doi: 10.48550/arxiv.1906.01653 · pith_short_12: NQSPTKDWZXSD · pith_short_16: NQSPTKDWZXSDNII3 · pith_short_8: NQSPTKDW

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/NQSPTKDWZXSDNII3LCTVWYK2DD \
  | 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: 6c24f9a876cde436a11b58a75b615a18e20a6382ca759f90c32533172b6108f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e97bbfdebc713b5e858a972ebd61140b67015abc7fa735dcb929e4baa14e74e9",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-06-04T18:00:15Z",
    "title_canon_sha256": "263ad6b44b806c9f9df037a5c687d71c946dd18e759c154ba67f319bc628f4db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.01653",
    "kind": "arxiv",
    "version": 1
  }
}