Pith Number

pith:WHLCV6JK

pith:2022:WHLCV6JKRPYOYWMODSAFRFNGU4

not attested not anchored not stored refs pending

HST/WFC3 H$\alpha$ Direct-Imaging Detection of a Point-like Source in the Disk Cavity of AB Aur

Adam L. Kraus, Aniket Sanghi, Brendan P. Bowler, Feng Long, Jaehan Bae, Katherine B. Follette, Kimberly Ward-Duong, Laird M. Close, Ya-Lin Wu, Yifan Zhou, Zhaohuan Zhu

arxiv:2207.06525 v1 · 2022-07-13 · 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{WHLCV6JKRPYOYWMODSAFRFNGU4}

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	2026-07-05T04:45:26.159923Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1d62af92a8bf0ec598e1c805895a6a70580f5b061c712de9669db4295b8aa0b

Aliases

arxiv: 2207.06525 · arxiv_version: 2207.06525v1 · doi: 10.48550/arxiv.2207.06525 · pith_short_12: WHLCV6JKRPYO · pith_short_16: WHLCV6JKRPYOYWMO · pith_short_8: WHLCV6JK

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/WHLCV6JKRPYOYWMODSAFRFNGU4 \
  | 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: b1d62af92a8bf0ec598e1c805895a6a70580f5b061c712de9669db4295b8aa0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "291a7d6b5ed297816b0c0c015593274942d39a30d9f4cee9a3377dc95eca5221",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2022-07-13T21:34:44Z",
    "title_canon_sha256": "e7cb28c9522077be5c7c1376a0e2bab4ef7748f1b92d4d1dd568915839f5bf9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.06525",
    "kind": "arxiv",
    "version": 1
  }
}