Pith Number

pith:NLTWX7PI

pith:2021:NLTWX7PIVREWTQ3JP2R27E2V3X

not attested not anchored not stored refs pending

Census of Variable Stars toward Serpens Main

Jia Yin, Liyong Liu, Martin Haas, Rolf Chini, Sadegh Noroozi, Xuan Qian, Yao Li, Yongqiang Yao, Zhibo Jiang, Zhiwei Chen

arxiv:2106.06355 v2 · 2021-06-11 · 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{NLTWX7PIVREWTQ3JP2R27E2V3X}

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	2026-07-05T02:57:23.549746Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ae76bfde8ac4969c3697ea3af9355ddddd27b26597017b83fce22ffab11a14f

Aliases

arxiv: 2106.06355 · arxiv_version: 2106.06355v2 · doi: 10.48550/arxiv.2106.06355 · pith_short_12: NLTWX7PIVREW · pith_short_16: NLTWX7PIVREWTQ3J · pith_short_8: NLTWX7PI

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/NLTWX7PIVREWTQ3JP2R27E2V3X \
  | 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: 6ae76bfde8ac4969c3697ea3af9355ddddd27b26597017b83fce22ffab11a14f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "446be35b8aa32c11828c88819f261d9701bb01f9d14d4deb7fc49981480dcf24",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-06-11T12:55:19Z",
    "title_canon_sha256": "681a8dababf398842f0efe38e0e86e538c4957d6a98862dae9643b4ef217f8a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.06355",
    "kind": "arxiv",
    "version": 2
  }
}