Pith Number

pith:EXQPEBUD

pith:2015:EXQPEBUDW6I6YDT4PJAN3SYJ7X

not attested not anchored not stored refs pending

Spectroscopic Orbital Periods for 29 Cataclysmic Variables from the Sloan Digital Sky Survey

Boris T. Gaensicke, Christopher S. Peters, Cynthia J. Taylor, John R. Thorstensen, John Southworth, Julie N. Skinner

arxiv:1502.02085 v1 · 2015-02-07 · 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{EXQPEBUDW6I6YDT4PJAN3SYJ7X}

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	2026-05-18T01:41:04.313444Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25e0f20683b791ec0e7c7a40ddcb09fdd78e3aebdb6a253d75e4f13963ca6183

Aliases

arxiv: 1502.02085 · arxiv_version: 1502.02085v1 · doi: 10.48550/arxiv.1502.02085 · pith_short_12: EXQPEBUDW6I6 · pith_short_16: EXQPEBUDW6I6YDT4 · pith_short_8: EXQPEBUD

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/EXQPEBUDW6I6YDT4PJAN3SYJ7X \
  | 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: 25e0f20683b791ec0e7c7a40ddcb09fdd78e3aebdb6a253d75e4f13963ca6183

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32bbb2fd70edf086fbfb2330ba9ce10339a598062a34f7330dcb4c89e552e8f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-02-07T01:13:37Z",
    "title_canon_sha256": "ad0ee6ac943f21c809ea5369b09bf291e68ca1c1edb628c2b36fdfb6352821ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02085",
    "kind": "arxiv",
    "version": 1
  }
}