Pith Number

pith:PJZFDWXZ

pith:2025:PJZFDWXZLUDUFIVDJ7X5ZDCDYD

not attested not anchored not stored refs pending

A Detailed Analysis of the Milky Way Warp Based on Classical Cepheids

Jianxing Zhang, Jiyu Wang, Licai Deng, Shu Wang, Xiaodian Chen, Xiaoyue Zhou

arxiv:2507.06494 v1 · 2025-07-09 · astro-ph.GA · 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{PJZFDWXZLUDUFIVDJ7X5ZDCDYD}

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	2026-07-05T11:34:17.091156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a7251daf95d0742a2a34fefdc8c43c0dfaa0b69689c7779a86e8eeefc7e4b98

Aliases

arxiv: 2507.06494 · arxiv_version: 2507.06494v1 · doi: 10.48550/arxiv.2507.06494 · pith_short_12: PJZFDWXZLUDU · pith_short_16: PJZFDWXZLUDUFIVD · pith_short_8: PJZFDWXZ

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/PJZFDWXZLUDUFIVDJ7X5ZDCDYD \
  | 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: 7a7251daf95d0742a2a34fefdc8c43c0dfaa0b69689c7779a86e8eeefc7e4b98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0569c554cc721c1b82351c6f3b5f7bedbc2404495d94d41e618f52df0578c393",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-07-09T02:38:58Z",
    "title_canon_sha256": "476933ba3e72f666173fb2574502b40085268fed0674ede5874c5879292bdea0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.06494",
    "kind": "arxiv",
    "version": 1
  }
}