Pith Number

pith:J7BNX6EX

pith:2025:J7BNX6EXPTYX5N3VGQVRVQWSLQ

not attested not anchored not stored refs pending

Double White Dwarf Binaries in SDSS-V DR19 : The discovery of a rare DA+DQ white dwarf binary with 31 hour orbital period

Axel Schwope, Boris T. Gansicke, Detlev Koester, Gagik Tovmassian, Gautham Adamane Pallathadka, J. J. Hermes, Kareem El-Badry, Keivan G. Stassun, Matthias R. Schreiber, Nadia L. Zakamska, Nicole R. Crumpler, Sean Morrison, Stefan M. Arseneau, Tim Cunningham, Vedant Chandra, Yossef Zenati

arxiv:2507.11618 v1 · 2025-07-15 · 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{J7BNX6EXPTYX5N3VGQVRVQWSLQ}

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	2026-07-05T11:37:47.493370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fc2dbf8977cf17eb775342b1ac2d25c002f9600d51559a30907d370f4a39456

Aliases

arxiv: 2507.11618 · arxiv_version: 2507.11618v1 · doi: 10.48550/arxiv.2507.11618 · pith_short_12: J7BNX6EXPTYX · pith_short_16: J7BNX6EXPTYX5N3V · pith_short_8: J7BNX6EX

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/J7BNX6EXPTYX5N3VGQVRVQWSLQ \
  | 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: 4fc2dbf8977cf17eb775342b1ac2d25c002f9600d51559a30907d370f4a39456

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b76fc35c12f0328572419eefe7a8bae0b0923e941c903780f65f3d0e782cc34",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-07-15T18:01:00Z",
    "title_canon_sha256": "3e1e11ca7c2b9c7d02fca8498f58dc2f78ca5d0bf88e9550bb1b8a04d948a59f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.11618",
    "kind": "arxiv",
    "version": 1
  }
}