Pith Number

pith:WZFS2PDB

pith:2019:WZFS2PDB2KK4LNMG5VMBYX5UMV

not attested not anchored not stored refs pending

Data Reduction Pipeline of the TOU Optical Very High Resolution Spectrograph and Its sub-m/s Performance

Bo Ma, Jian Ge

arxiv:1901.00664 v1 · 2019-01-03 · astro-ph.IM · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WZFS2PDB2KK4LNMG5VMBYX5UMV}

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	2026-05-17T23:56:16.345084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b64b2d3c61d295c5b586ed581c5fb4657b68fce49620d57e3a399a7217914c97

Aliases

arxiv: 1901.00664 · arxiv_version: 1901.00664v1 · doi: 10.48550/arxiv.1901.00664 · pith_short_12: WZFS2PDB2KK4 · pith_short_16: WZFS2PDB2KK4LNMG · pith_short_8: WZFS2PDB

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/WZFS2PDB2KK4LNMG5VMBYX5UMV \
  | 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: b64b2d3c61d295c5b586ed581c5fb4657b68fce49620d57e3a399a7217914c97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e235228cecae2ddb57ee2acfc7887e3a2d666b3cdf3b00bed3c29fd5900c7563",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-01-03T10:01:15Z",
    "title_canon_sha256": "7897229c0d326e23d7be4803b9cbd87cad21442b63308e3f541d000993878366"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.00664",
    "kind": "arxiv",
    "version": 1
  }
}