Pith Number

pith:4AYAPBD7

pith:2025:4AYAPBD7A4WTKYG7LZOMN2SZTM

not attested not anchored not stored refs pending

Detailed radial scale height profile of dust grains as probed by dust self-scattering in HL Tau

Haifeng Yang, Ian W. Stephens, Leslie W. Looney, Manuel Fern\'andez-L\'opez, Rachel Harrison, Zhe-Yu Daniel Lin, Zhi-Yun Li

arxiv:2508.01233 v1 · 2025-08-02 · astro-ph.EP · 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{4AYAPBD7A4WTKYG7LZOMN2SZTM}

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	2026-07-05T11:47:35.342768Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e03007847f072d3560df5e5cc6ea599b01a625b0641bd2cd7464ab3abe5aec0f

Aliases

arxiv: 2508.01233 · arxiv_version: 2508.01233v1 · doi: 10.48550/arxiv.2508.01233 · pith_short_12: 4AYAPBD7A4WT · pith_short_16: 4AYAPBD7A4WTKYG7 · pith_short_8: 4AYAPBD7

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/4AYAPBD7A4WTKYG7LZOMN2SZTM \
  | 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: e03007847f072d3560df5e5cc6ea599b01a625b0641bd2cd7464ab3abe5aec0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "808cc8a631a26ec231081969b50b4815b4a7c72fee385c55c668129a03333330",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-08-02T07:09:17Z",
    "title_canon_sha256": "23dde6f5a9a654b7c203d5e64323a39c8bbea6fe5b0c3436a6e4fbc8092d4a9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.01233",
    "kind": "arxiv",
    "version": 1
  }
}