Pith Number

pith:IFLTLPTI

pith:2016:IFLTLPTIVTLFKCG6JBGNCJZHEU

not attested not anchored not stored refs pending

WES - Weihai Echelle Spectrograph

Chen Cao, Di-Fu Guo, Dong-Yang Gao, Frank Grupp, Hang-Xin Ji, Hanna Kellermann, Kai Li, Robert A. Wittenmyer, Shao-Ming Hu, Zhong-Wen Hu

arxiv:1611.00116 v2 · 2016-11-01 · 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{IFLTLPTIVTLFKCG6JBGNCJZHEU}

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	2026-05-18T00:59:34.115340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

415735be68acd65508de484cd12727250cb7013e4b8e4ccdc57868b2c25a20ee

Aliases

arxiv: 1611.00116 · arxiv_version: 1611.00116v2 · doi: 10.48550/arxiv.1611.00116 · pith_short_12: IFLTLPTIVTLF · pith_short_16: IFLTLPTIVTLFKCG6 · pith_short_8: IFLTLPTI

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/IFLTLPTIVTLFKCG6JBGNCJZHEU \
  | 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: 415735be68acd65508de484cd12727250cb7013e4b8e4ccdc57868b2c25a20ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "527a5b51002423ce6f7eaa04769347847f3d22c6be3331c80fbaeb663b1f13b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-11-01T03:32:32Z",
    "title_canon_sha256": "137b376d9d9c75aec93a96aab61a99a8bd36ed1153eebda4be5cf3304ac9a3b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.00116",
    "kind": "arxiv",
    "version": 2
  }
}