Pith Number

pith:NWJNVXB3

pith:2025:NWJNVXB3JXAR3NWK5GG2OX6PSE

not attested not anchored not stored refs pending

The orbital period changes for novae

Bo Wang, Wenshi Tang, Xiangdong Li

arxiv:2507.22331 v1 · 2025-07-30 · 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{NWJNVXB3JXAR3NWK5GG2OX6PSE}

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	2026-07-05T11:45:39.385696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d92dadc3b4dc11db6cae98da75fcf91315b6b06992573b15d7cca67a3b4ed9d

Aliases

arxiv: 2507.22331 · arxiv_version: 2507.22331v1 · doi: 10.48550/arxiv.2507.22331 · pith_short_12: NWJNVXB3JXAR · pith_short_16: NWJNVXB3JXAR3NWK · pith_short_8: NWJNVXB3

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/NWJNVXB3JXAR3NWK5GG2OX6PSE \
  | 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: 6d92dadc3b4dc11db6cae98da75fcf91315b6b06992573b15d7cca67a3b4ed9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1511d37e9449db831e6f72257d2c8cf5f86710c126229f4f2647bd593270129",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-07-30T02:25:51Z",
    "title_canon_sha256": "2394fb623bfbf9b42807a92d07946ac03846cdec8c55f8a80595b179072fbf5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.22331",
    "kind": "arxiv",
    "version": 1
  }
}