Pith Number

pith:FNP65EYV

pith:2015:FNP65EYV3HJHIYFN2GURLCN2VI

not attested not anchored not stored refs pending

A new HW Vir binary from the Palomar Transient Factory: PTF1 J072455.75+125300.3 - An eclipsing subdwarf B binary with a M-star companion

D. Levitan, H. Drechsel, M. Schindewolf, T. Kuper, T. Prince, U. Heber, V. Schaffenroth

arxiv:1506.03787 v1 · 2015-06-11 · 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{FNP65EYV3HJHIYFN2GURLCN2VI}

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	2026-05-18T01:35:09.425877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b5fee9315d9d27460add1a91589baaa0c5074fe500f43777752a1ee815365e6

Aliases

arxiv: 1506.03787 · arxiv_version: 1506.03787v1 · doi: 10.48550/arxiv.1506.03787 · pith_short_12: FNP65EYV3HJH · pith_short_16: FNP65EYV3HJHIYFN · pith_short_8: FNP65EYV

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/FNP65EYV3HJHIYFN2GURLCN2VI \
  | 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: 2b5fee9315d9d27460add1a91589baaa0c5074fe500f43777752a1ee815365e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b88e4d2ee7ad24a3d7c99ad757434a2b9cb93d8318630d071b28a79fd854d042",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-06-11T19:21:10Z",
    "title_canon_sha256": "af8abc5ecfe48939f3d7568eaf486d661c4b466cbc5dfc80f196a5719617d106"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.03787",
    "kind": "arxiv",
    "version": 1
  }
}