Pith Number

pith:2PHRSMUM

pith:2018:2PHRSMUME3TLOAZL2YQVT7XINS

not attested not anchored not stored refs pending

The selection function of the LAMOST Spectroscopic Survey of the Galactic Anticentre

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

arxiv:1802.06777 v1 · 2018-02-19 · 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{2PHRSMUME3TLOAZL2YQVT7XINS}

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	2026-05-18T00:21:05.870856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3cf19328c26e6b7032bd62159fee86c98dbc520533e2c59dde4d42b927d3a6a

Aliases

arxiv: 1802.06777 · arxiv_version: 1802.06777v1 · doi: 10.48550/arxiv.1802.06777 · pith_short_12: 2PHRSMUME3TL · pith_short_16: 2PHRSMUME3TLOAZL · pith_short_8: 2PHRSMUM

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/2PHRSMUME3TLOAZL2YQVT7XINS \
  | 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: d3cf19328c26e6b7032bd62159fee86c98dbc520533e2c59dde4d42b927d3a6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83c98fe11a25888b24732a271d3563db9e1d1bb39105e3a5e0f43a565ad627fb",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-02-19T07:02:07Z",
    "title_canon_sha256": "08ed422dea9a01d4c86c701b735dae6585ae56d78f9efa3b6f4955850dc19c7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.06777",
    "kind": "arxiv",
    "version": 1
  }
}