Pith Number

pith:RGBKQGMM

pith:2012:RGBKQGMMM4IVT4GQCX6P7HEKUE

not attested not anchored not stored refs pending

The Photometric Period and Variability of the Cataclysmic Variable V849 Herculis (PG 1633+115)

F. A. Ringwald, Gerald D. Rude II, Jonathan J. Roveto, Kelly S. Khamvongsa

arxiv:1202.3518 v1 · 2012-02-16 · 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{RGBKQGMMM4IVT4GQCX6P7HEKUE}

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	2026-05-18T01:58:27.725333Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8982a8198c671159f0d015fcff9c8aa111bb925c037fc7baae78e23aef8d84a7

Aliases

arxiv: 1202.3518 · arxiv_version: 1202.3518v1 · doi: 10.48550/arxiv.1202.3518 · pith_short_12: RGBKQGMMM4IV · pith_short_16: RGBKQGMMM4IVT4GQ · pith_short_8: RGBKQGMM

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/RGBKQGMMM4IVT4GQCX6P7HEKUE \
  | 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: 8982a8198c671159f0d015fcff9c8aa111bb925c037fc7baae78e23aef8d84a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac5cd1f69445fdaad848d74a47e7704e03c66301c79a422694073888e66f1189",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-02-16T07:02:49Z",
    "title_canon_sha256": "1da5bb70786a23ffda4a0176b1d235ee6fd711a12411225e8d8362e24400358b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.3518",
    "kind": "arxiv",
    "version": 1
  }
}