Pith Number

pith:WP3UJSUT

pith:2010:WP3UJSUTXMDSGDMYMOTASHRQLV

not attested not anchored not stored refs pending

The dark secrets of gaseous nebulae -- highlights from deep spectroscopy

Xiaowei Liu

arxiv:1001.3715 v2 · 2010-01-21 · astro-ph.GA · 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{WP3UJSUTXMDSGDMYMOTASHRQLV}

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.

Cited by

1 paper in Pith

PyEMILI: A New Generation Computer-aided Spectral Line Identifier

Receipt and verification

First computed	2026-07-04T17:22:15.200118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3f744ca93bb07230d9863a6091e305d7a45de6a76c368f3915b1a00edeab9df

Aliases

arxiv: 1001.3715 · arxiv_version: 1001.3715v2 · doi: 10.48550/arxiv.1001.3715 · pith_short_12: WP3UJSUTXMDS · pith_short_16: WP3UJSUTXMDSGDMY · pith_short_8: WP3UJSUT

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/WP3UJSUTXMDSGDMYMOTASHRQLV \
  | 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: b3f744ca93bb07230d9863a6091e305d7a45de6a76c368f3915b1a00edeab9df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68080366f68d7b69398f2bcd4076772fa5167faade72017c25d0e551d4bc4679",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-01-21T03:22:14Z",
    "title_canon_sha256": "e40ede32ca1b760f769e1da558f94d441af55cb11ca6e2dcf2a0a991d5c7ba35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.3715",
    "kind": "arxiv",
    "version": 2
  }
}