Pith Number

pith:7Z7N5JIC

pith:2025:7Z7N5JICCLEYANN2MWNQQX5KKJ

not attested not anchored not stored refs pending

PyEMILI: A New Generation Computer-aided Spectral Line Identifier

Jifeng Liu, Robert Williams, Xuan Fang, Zhijun Tu

arxiv:2501.11845 v1 · 2025-01-21 · astro-ph.SR · astro-ph.GA · 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{7Z7N5JICCLEYANN2MWNQQX5KKJ}

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	2026-07-05T10:03:14.828937Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe7edea50212c98035ba659b085faa525700e111a5a8674b1ff8f306418ae67e

Aliases

arxiv: 2501.11845 · arxiv_version: 2501.11845v1 · doi: 10.48550/arxiv.2501.11845 · pith_short_12: 7Z7N5JICCLEY · pith_short_16: 7Z7N5JICCLEYANN2 · pith_short_8: 7Z7N5JIC

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/7Z7N5JICCLEYANN2MWNQQX5KKJ \
  | 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: fe7edea50212c98035ba659b085faa525700e111a5a8674b1ff8f306418ae67e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ea9ab019b4fbf9b674871d04f8ec28902f346c0fd43441c4463ec4d6aadb002",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-01-21T02:59:31Z",
    "title_canon_sha256": "c44d70562d54365707e08460d4dd6f61f3ec291be30af64e2ff4d8bd4f97ab40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.11845",
    "kind": "arxiv",
    "version": 1
  }
}