Pith Number

pith:U4R4IBTY

pith:2015:U4R4IBTYFQINABTOV7W3KOAKKR

not attested not anchored not stored refs pending

Extensive photometry of the WZ Sge-type dwarf nova V455 And (HS2331+3905): detection of negative superhumps and coherence features of the short-period oscillations

V. P. Kozhevnikov

arxiv:1506.03217 v1 · 2015-06-10 · 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{U4R4IBTYFQINABTOV7W3KOAKKR}

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	2026-05-18T01:36:52.920203Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a723c406782c10d0066eafedb5380a54421ff36776704d060157b2e81ce97dd7

Aliases

arxiv: 1506.03217 · arxiv_version: 1506.03217v1 · doi: 10.48550/arxiv.1506.03217 · pith_short_12: U4R4IBTYFQIN · pith_short_16: U4R4IBTYFQINABTO · pith_short_8: U4R4IBTY

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/U4R4IBTYFQINABTOV7W3KOAKKR \
  | 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: a723c406782c10d0066eafedb5380a54421ff36776704d060157b2e81ce97dd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a7f6db0b12d879274b37689631151e57fc98f70c916a0e61a589dea78eb29b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-06-10T08:51:34Z",
    "title_canon_sha256": "64530596090b34a4c5ba7514850aac771c78b5681e309c681094cdf0f90429f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.03217",
    "kind": "arxiv",
    "version": 1
  }
}