Pith Number

pith:UXIVFJ3W

pith:2017:UXIVFJ3WHSVS4JDLNCZJEG5H5X

not attested not anchored not stored refs pending

A likely planet-induced gap in the disk around T Cha

Adriana Pohl, Cathie Clarke, David Hollenbach, Gijs Mulders, Ilaria Pascucci, James Owen, Nathanial P. Hendler, Paola Pinilla, Ruobing Dong, Thomas Henning

arxiv:1711.09933 v1 · 2017-11-27 · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UXIVFJ3WHSVS4JDLNCZJEG5H5X}

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	2026-05-18T00:29:23.806813Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5d152a7763cab2e246b68b2921ba7edefa6acae6896d19ef9d1dcf4c9da4282

Aliases

arxiv: 1711.09933 · arxiv_version: 1711.09933v1 · doi: 10.48550/arxiv.1711.09933 · pith_short_12: UXIVFJ3WHSVS · pith_short_16: UXIVFJ3WHSVS4JDL · pith_short_8: UXIVFJ3W

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/UXIVFJ3WHSVS4JDLNCZJEG5H5X \
  | 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: a5d152a7763cab2e246b68b2921ba7edefa6acae6896d19ef9d1dcf4c9da4282

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b8953f0827fe56aafb0c803b5f37d3488e7a9e66268c19d1bf2f5aa7d603dc5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-11-27T19:08:51Z",
    "title_canon_sha256": "7b48c278562756fce62f0c0d65c4ebeb11a19603c1f3259145e94013037bdf85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.09933",
    "kind": "arxiv",
    "version": 1
  }
}