Pith Number

pith:7TV6TDFK

pith:2022:7TV6TDFK32URWAHRRTJICHWMTK

not attested not anchored not stored refs pending

Unveiling the outer dust disc of TW Hya with deep ALMA observations

Catherine Walsh, Giovanni P. Rosotti, Hideko Nomura, Jeff Jennings, John D. Ilee, Richard A. Booth, Richard Teague, Takashi Tsukagoshi

arxiv:2205.01396 v1 · 2022-05-03 · 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{7TV6TDFK32URWAHRRTJICHWMTK}

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	2026-07-05T04:35:48.075982Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcebe98caadea91b00f18cd2811ecc9a8906b976c5b0bbe7e6e2734787967bc7

Aliases

arxiv: 2205.01396 · arxiv_version: 2205.01396v1 · doi: 10.48550/arxiv.2205.01396 · pith_short_12: 7TV6TDFK32UR · pith_short_16: 7TV6TDFK32URWAHR · pith_short_8: 7TV6TDFK

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/7TV6TDFK32URWAHRRTJICHWMTK \
  | 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: fcebe98caadea91b00f18cd2811ecc9a8906b976c5b0bbe7e6e2734787967bc7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b12f9bdb044f48a83b2c2894e2f10c97c1f35d0e6d09749f2d5dca673a0d2190",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2022-05-03T10:03:00Z",
    "title_canon_sha256": "1ebbe01a6f8e6cfaa8caf9acf7762ea44bc3ee0e5879d6571de7b34d5607755e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.01396",
    "kind": "arxiv",
    "version": 1
  }
}