Pith Number

pith:S2LX3Y5I

pith:2025:S2LX3Y5ILOE6746NLVY2427HS3

not attested not anchored not stored refs pending

Optical detection of the X-ray flash in the very fast nova V1674 Her: Optical contribution of the irradiated accretion disk

Izumi Hachisu, Mariko Kato

arxiv:2507.06493 v1 · 2025-07-09 · astro-ph.SR · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S2LX3Y5ILOE6746NLVY2427HS3}

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	2026-07-05T11:34:17.054579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96977de3a85b89eff3cd5d71ae6be796c3249f2338369e758757f797867950b0

Aliases

arxiv: 2507.06493 · arxiv_version: 2507.06493v1 · doi: 10.48550/arxiv.2507.06493 · pith_short_12: S2LX3Y5ILOE6 · pith_short_16: S2LX3Y5ILOE6746N · pith_short_8: S2LX3Y5I

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/S2LX3Y5ILOE6746NLVY2427HS3 \
  | 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: 96977de3a85b89eff3cd5d71ae6be796c3249f2338369e758757f797867950b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "179fcc118bd5a1b4a79f89af362657da609298682f7ee6f8233f434bf882b7de",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-07-09T02:36:59Z",
    "title_canon_sha256": "33b579df894e05fe93a7a77bfea1921414c6c47cf911efc65a056fd2453371f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.06493",
    "kind": "arxiv",
    "version": 1
  }
}