Pith Number

pith:IIHFKVZL

pith:2025:IIHFKVZLUXO6DNWZM4HAMSB3K4

not attested not anchored not stored refs pending

V Sge: Supersoft Source or Exotic Hot Binary? I. An X-Shooter campaign in the high state

Pablo Rodr\'iguez-Gil, Pasi Hakala, Phil Charles

arxiv:2507.22637 v1 · 2025-07-30 · 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{IIHFKVZLUXO6DNWZM4HAMSB3K4}

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	2026-07-05T11:45:46.027996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

420e55572ba5dde1b6d9670e06483b57185dcf7a3bfb26a04e49a059767cf96c

Aliases

arxiv: 2507.22637 · arxiv_version: 2507.22637v1 · doi: 10.48550/arxiv.2507.22637 · pith_short_12: IIHFKVZLUXO6 · pith_short_16: IIHFKVZLUXO6DNWZ · pith_short_8: IIHFKVZL

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/IIHFKVZLUXO6DNWZM4HAMSB3K4 \
  | 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: 420e55572ba5dde1b6d9670e06483b57185dcf7a3bfb26a04e49a059767cf96c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c866794c185b2961622d8979ef564c635711c8933ee2d4e35e10103043eb4bae",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-07-30T12:56:24Z",
    "title_canon_sha256": "d23f707c9a88fb0109f63cdbf1affc67685fe426209ca140d7f4b297ab3a3a0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.22637",
    "kind": "arxiv",
    "version": 1
  }
}