Pith Number

pith:WEIGWVMB

pith:2017:WEIGWVMBO5VNLU3VH3SV7O22LO

not attested not anchored not stored refs pending

The eShel Spectrograph: A Radial-velocity Tool at the Wise Observatory

Michael Engel, Sahar Shahaf, Tsevi Mazeh

arxiv:1703.09937 v1 · 2017-03-29 · astro-ph.IM · 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{WEIGWVMBO5VNLU3VH3SV7O22LO}

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	2026-05-18T00:45:10.931887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1106b5581776ad5d3753ee55fbb5a5babab8fcb6f4039ba2be1e008116f92f0

Aliases

arxiv: 1703.09937 · arxiv_version: 1703.09937v1 · doi: 10.48550/arxiv.1703.09937 · pith_short_12: WEIGWVMBO5VN · pith_short_16: WEIGWVMBO5VNLU3V · pith_short_8: WEIGWVMB

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/WEIGWVMBO5VNLU3VH3SV7O22LO \
  | 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: b1106b5581776ad5d3753ee55fbb5a5babab8fcb6f4039ba2be1e008116f92f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bf5fb04ebd9fd50c4c83a5520a7e04dca2be1a190e52edb7af87181fad9ff11",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-03-29T08:57:43Z",
    "title_canon_sha256": "27ff239e0ac379d1f06359c82df7d94d10328e29f83b2793137db777871ff899"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.09937",
    "kind": "arxiv",
    "version": 1
  }
}