Pith Number

pith:D3GHWDWY

pith:2019:D3GHWDWYUTFMHTABUQIOENQD74

not attested not anchored not stored refs pending

RW Tri - its Negative Superhumps and System Parameters

J. Smak

arxiv:1902.07502 v1 · 2019-02-20 · 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{D3GHWDWYUTFMHTABUQIOENQD74}

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	2026-05-17T23:48:30.469838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ecc7b0ed8a4cac3cc01a410e23603ff2a72bf2a7931ae8d0f1618d3e0990a85

Aliases

arxiv: 1902.07502 · arxiv_version: 1902.07502v1 · doi: 10.48550/arxiv.1902.07502 · pith_short_12: D3GHWDWYUTFM · pith_short_16: D3GHWDWYUTFMHTAB · pith_short_8: D3GHWDWY

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/D3GHWDWYUTFMHTABUQIOENQD74 \
  | 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: 1ecc7b0ed8a4cac3cc01a410e23603ff2a72bf2a7931ae8d0f1618d3e0990a85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9f92374e66c53fc36d45dbc1b7e611c1320eeea99dda9a28af146e14fdbdb73",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-02-20T10:57:47Z",
    "title_canon_sha256": "b0c729081d3758cc6be762e80ca192569e7984d132614c2ea02e5f0b2bb06c04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07502",
    "kind": "arxiv",
    "version": 1
  }
}