Pith Number

pith:4IRMSNZ2

pith:2016:4IRMSNZ2YWPGVA6KG6DUXOHVB7

not attested not anchored not stored refs pending

Photometric variability of the nova-like object V380 Oph in 1976-2016

D. Chochol, K. Sokolovsky, P. Golysheva, S. Shugarov

arxiv:1605.01162 v1 · 2016-05-04 · 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{4IRMSNZ2YWPGVA6KG6DUXOHVB7}

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	2026-05-18T01:15:37.661803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e222c9373ac59e6a83ca37874bb8f50fc3758b7a107c60e17975f8ded1788295

Aliases

arxiv: 1605.01162 · arxiv_version: 1605.01162v1 · doi: 10.48550/arxiv.1605.01162 · pith_short_12: 4IRMSNZ2YWPG · pith_short_16: 4IRMSNZ2YWPGVA6K · pith_short_8: 4IRMSNZ2

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/4IRMSNZ2YWPGVA6KG6DUXOHVB7 \
  | 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: e222c9373ac59e6a83ca37874bb8f50fc3758b7a107c60e17975f8ded1788295

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd501b9da222dc81f1338e15ff96ac640ad5804dec7bca38b09c2965ca5a3dd8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-05-04T07:15:14Z",
    "title_canon_sha256": "c62f7c15dd9fb67995731f14a958bfd4dcd682125bb0f4d049ad9356ea71e371"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.01162",
    "kind": "arxiv",
    "version": 1
  }
}