Pith Number

pith:HU2LEOJM

pith:2024:HU2LEOJMHNGWDXDPNFTOFN5NE5

not attested not anchored not stored refs pending

An Exposure Meter of Lijiang Fiber-fed High-Resolution Spectrograph

Kai-Fan Ji, Liang Chang, Xiao-Guang Yu, Xi-Liang Zhang, Ying Qin, Yun-Fang Cai, Zhen-Hong Shang

arxiv:2402.01991 v1 · 2024-02-03 · 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{HU2LEOJMHNGWDXDPNFTOFN5NE5}

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	2026-07-05T07:41:09.371439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d34b2392c3b4d61dc6f6966e2b7ad2778d0b9cce5317922ca3b8efe93a0a2d5

Aliases

arxiv: 2402.01991 · arxiv_version: 2402.01991v1 · doi: 10.48550/arxiv.2402.01991 · pith_short_12: HU2LEOJMHNGW · pith_short_16: HU2LEOJMHNGWDXDP · pith_short_8: HU2LEOJM

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/HU2LEOJMHNGWDXDPNFTOFN5NE5 \
  | 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: 3d34b2392c3b4d61dc6f6966e2b7ad2778d0b9cce5317922ca3b8efe93a0a2d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72ef3f0889de79e2122c6171a6dd576e56daa4b7f0703e54390792d3ac89a19e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2024-02-03T02:26:32Z",
    "title_canon_sha256": "647c856834387286b863c80e29720723846d064036448e214bed757ba6731fae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.01991",
    "kind": "arxiv",
    "version": 1
  }
}