Pith Number

pith:VT7R3NG5

pith:2018:VT7R3NG5IIDWGVO7FTZRQQ7NHH

not attested not anchored not stored refs pending

Photometric observations of stars in the field of VV Cam and VW Cam

(2) INAF-Osservatorio Astrofisico di Torino, A. Carrozza (1), C. Benna (2), D. Gardiol (2), E. Fini (1), F. Bottero (1), G. Pettiti (2) ((1) IIS Curie Vittorini, Grugliasco (TO), Italy, Italy), J. Savio (1), M. G. Truscelli (1), M. Rago (1), Pino Torinese (TO), V. Fini (1)

arxiv:1811.02045 v1 · 2018-11-05 · 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{VT7R3NG5IIDWGVO7FTZRQQ7NHH}

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	2026-05-18T00:01:25.160491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acff1db4dd42076355df2cf31843ed39f26ea98764f3cdae247e17173e984632

Aliases

arxiv: 1811.02045 · arxiv_version: 1811.02045v1 · doi: 10.48550/arxiv.1811.02045 · pith_short_12: VT7R3NG5IIDW · pith_short_16: VT7R3NG5IIDWGVO7 · pith_short_8: VT7R3NG5

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/VT7R3NG5IIDWGVO7FTZRQQ7NHH \
  | 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: acff1db4dd42076355df2cf31843ed39f26ea98764f3cdae247e17173e984632

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb555f0cbb3d61ff1a4681019c786ec492c41e55853e29146b5cf37ffdad23c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-11-05T21:43:00Z",
    "title_canon_sha256": "d9cf11d5e84c13d48f3a4f137c118d9c02beca7831ea914131a98ec3d47434d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02045",
    "kind": "arxiv",
    "version": 1
  }
}