Pith Number

pith:LFBJ4DLY

pith:2015:LFBJ4DLYPUPBCTOCLM5CZX7W7H

not attested not anchored not stored refs pending

HST+COS spectra of the double white dwarf CSS 41177 place the secondary inside the pulsational instability strip

Boris Gaensicke, Madelon Bours, Steven Parsons, Thomas Marsh

arxiv:1501.04628 v1 · 2015-01-19 · 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{LFBJ4DLYPUPBCTOCLM5CZX7W7H}

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	2026-05-18T01:41:10.184972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59429e0d787d1e114dc25b3a2cdff6f9cacd233b0f8a83d270392f722e66ed6e

Aliases

arxiv: 1501.04628 · arxiv_version: 1501.04628v1 · doi: 10.48550/arxiv.1501.04628 · pith_short_12: LFBJ4DLYPUPB · pith_short_16: LFBJ4DLYPUPBCTOC · pith_short_8: LFBJ4DLY

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/LFBJ4DLYPUPBCTOCLM5CZX7W7H \
  | 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: 59429e0d787d1e114dc25b3a2cdff6f9cacd233b0f8a83d270392f722e66ed6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4791b6afa7449f47b503571f36633d61c6969770bb802a3ae96563257e41dfc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-01-19T21:00:13Z",
    "title_canon_sha256": "125e07af35b544d1eb2b6acfc9b1aa0008da9693b64bb5d77d89807c07f3e19c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04628",
    "kind": "arxiv",
    "version": 1
  }
}