Pith Number

pith:AGTLBMCZ

pith:2018:AGTLBMCZ5ZFBSQC3JCGGSOOWEC

not attested not anchored not stored refs pending

Machine Learning Classification of Gaia Data Release 2

Jifeng Liu, Song Wang, Yu Bai

arxiv:1808.05728 v1 · 2018-08-17 · 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{AGTLBMCZ5ZFBSQC3JCGGSOOWEC}

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	2026-05-18T00:03:03.907078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01a6b0b059ee4a19405b488c6939d620abe2dbc411d542953090adf4c7933bab

Aliases

arxiv: 1808.05728 · arxiv_version: 1808.05728v1 · doi: 10.48550/arxiv.1808.05728 · pith_short_12: AGTLBMCZ5ZFB · pith_short_16: AGTLBMCZ5ZFBSQC3 · pith_short_8: AGTLBMCZ

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/AGTLBMCZ5ZFBSQC3JCGGSOOWEC \
  | 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: 01a6b0b059ee4a19405b488c6939d620abe2dbc411d542953090adf4c7933bab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d85954a5222bc3e857b3b3dfff8b6fcf776edc0aaf0189259fa937968b36a9b",
    "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": "2018-08-17T02:08:46Z",
    "title_canon_sha256": "17ad9b2234d4d3e827e6c8c9720f94fae941ecca8348c3d093aae50c5cbd4dd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.05728",
    "kind": "arxiv",
    "version": 1
  }
}