Pith Number

pith:V2F7CFSN

pith:2024:V2F7CFSNLZRJNTYNR6A35H23DS

not attested not anchored not stored refs pending

V407 Lup, an intermediate polar nova

A. Dobrotka, D. A. H. Buckley, E. Aydi, G.J.M. Luna, J. Ness, M. Melicher\v{c}\'ik, M. Orio, S. Ciroi, V. Canton

arxiv:2408.03779 v1 · 2024-08-07 · astro-ph.HE · 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{V2F7CFSNLZRJNTYNR6A35H23DS}

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	2026-07-05T08:53:11.042271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae8bf1164d5e6296cf0d8f81be9f5b1ca33e42a40ee3e4a5495cbec3a152e89f

Aliases

arxiv: 2408.03779 · arxiv_version: 2408.03779v1 · doi: 10.48550/arxiv.2408.03779 · pith_short_12: V2F7CFSNLZRJ · pith_short_16: V2F7CFSNLZRJNTYN · pith_short_8: V2F7CFSN

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/V2F7CFSNLZRJNTYNR6A35H23DS \
  | 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: ae8bf1164d5e6296cf0d8f81be9f5b1ca33e42a40ee3e4a5495cbec3a152e89f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9be21ae2c491bd93ded71b99eda4a58e367fee6bd0fa7ba5e356cf68892276f",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2024-08-07T14:06:15Z",
    "title_canon_sha256": "fbcf15e27eacb81f736b3f9a5c24a8e26101ed2af1ba565b4e6b109f264bdf73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2408.03779",
    "kind": "arxiv",
    "version": 1
  }
}