Pith Number

pith:5MYBBGZ3

pith:2019:5MYBBGZ3UF4WTTV5VV4KAPMCK3

not attested not anchored not stored refs pending

The Galactic disc phase spirals at different Galactic positions revealed by Gaia and LAMOST data

B.-Q. Chen, C. Wang, H.-B. Yuan, H.-F. Wang, H.-W. Zhang, M.-S. Xiang, M. Zhang, X.-W. Liu, Y. Huang, Y.-Q. Wu, Y. Yang, Z.-J. Tian

arxiv:1903.09982 v1 · 2019-03-24 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5MYBBGZ3UF4WTTV5VV4KAPMCK3}

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	2026-05-17T23:44:54.821442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb30109b3ba17969cebdad78a03d8256f71c0ce0039c2796d1569fda6753a13a

Aliases

arxiv: 1903.09982 · arxiv_version: 1903.09982v1 · doi: 10.48550/arxiv.1903.09982 · pith_short_12: 5MYBBGZ3UF4W · pith_short_16: 5MYBBGZ3UF4WTTV5 · pith_short_8: 5MYBBGZ3

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/5MYBBGZ3UF4WTTV5VV4KAPMCK3 \
  | 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: eb30109b3ba17969cebdad78a03d8256f71c0ce0039c2796d1569fda6753a13a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52cad41df758b6033b92539909d5c9fde09ad02910d52c52cf31f939d865a2e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-03-24T12:44:48Z",
    "title_canon_sha256": "2482253340e4a7a30b3d090371074af19aafe84e4a3f8503aa431452576fe442"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.09982",
    "kind": "arxiv",
    "version": 1
  }
}