Pith Number

pith:NSEPXKD2

pith:2018:NSEPXKD22D5LGFAV4P4KSQFM3W

not attested not anchored not stored refs pending

Inversion of stellar spectral radiative properties based on multiple star catalogues

Chuanxin Zhang, Fuqiang Wang, Heping Tan, Yuan Yuan, Zhaoyang Yu

arxiv:1801.07762 v2 · 2018-01-23 · 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{NSEPXKD22D5LGFAV4P4KSQFM3W}

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	2026-05-18T00:04:59.664903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c88fba87ad0fab31415e3f8a940acdd9fbbd51c4c7590af4312ef9afa2d230b

Aliases

arxiv: 1801.07762 · arxiv_version: 1801.07762v2 · doi: 10.48550/arxiv.1801.07762 · pith_short_12: NSEPXKD22D5L · pith_short_16: NSEPXKD22D5LGFAV · pith_short_8: NSEPXKD2

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/NSEPXKD22D5LGFAV4P4KSQFM3W \
  | 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: 6c88fba87ad0fab31415e3f8a940acdd9fbbd51c4c7590af4312ef9afa2d230b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19038db8f1abac3929901b71380707fed8c8778210261bdf14688654af6ef0af",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-01-23T20:40:31Z",
    "title_canon_sha256": "6e02bb691ada563e046d0f27f0c48b8716ff2beff4c016ddade2feecb8c41a93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.07762",
    "kind": "arxiv",
    "version": 2
  }
}