Pith Number

pith:KUWUDNI6

pith:2019:KUWUDNI64DT2DAGRK3OYYJ5OYG

not attested not anchored not stored refs pending

Investigation on the star NSVS 1925037

(2) INAF-Osservatorio Astrofisico di Torino, C. Benna (2), D. Gardiol (2), G. Amico (1), G. Pettiti (2) ((1) IIS Curie Vittorini, Grugliasco (TO), Italy, Italy), M. Amico (1), Pino Torinese (TO)

arxiv:1909.10100 v1 · 2019-09-22 · 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{KUWUDNI64DT2DAGRK3OYYJ5OYG}

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	2026-07-05T00:06:17.576882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

552d41b51ee0e7a180d156dd8c27aec18bde1e472888276cf1fbf6d94f79ffa0

Aliases

arxiv: 1909.10100 · arxiv_version: 1909.10100v1 · doi: 10.48550/arxiv.1909.10100 · pith_short_12: KUWUDNI64DT2 · pith_short_16: KUWUDNI64DT2DAGR · pith_short_8: KUWUDNI6

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/KUWUDNI64DT2DAGRK3OYYJ5OYG \
  | 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: 552d41b51ee0e7a180d156dd8c27aec18bde1e472888276cf1fbf6d94f79ffa0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4181708d67204407fe8b6215ef1a437c5bbbba2137127f7ab7dc56e76f478883",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-09-22T22:13:31Z",
    "title_canon_sha256": "48fe631b7035b4c41c3b5ac9284d50be3154eceb528d444c46c9935af144a90a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.10100",
    "kind": "arxiv",
    "version": 1
  }
}