Pith Number

pith:NKDZY2BZ

pith:2011:NKDZY2BZERPHARUKZMEPWWDM7O

not attested not anchored not stored refs pending

A companion candidate in the gap of the T Cha transitional disk

A.Kraus, G. Chauvin, M. Ireland, N. Huelamo, P. Tuthill, S. Lacour

arxiv:1102.4982 v1 · 2011-02-24 · 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{NKDZY2BZERPHARUKZMEPWWDM7O}

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	2026-05-18T02:03:05.509362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a879c6839245e70468acb08fb586cfba14e0f2b7ebb0487320c0517532d3721

Aliases

arxiv: 1102.4982 · arxiv_version: 1102.4982v1 · doi: 10.48550/arxiv.1102.4982 · pith_short_12: NKDZY2BZERPH · pith_short_16: NKDZY2BZERPHARUK · pith_short_8: NKDZY2BZ

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/NKDZY2BZERPHARUKZMEPWWDM7O \
  | 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: 6a879c6839245e70468acb08fb586cfba14e0f2b7ebb0487320c0517532d3721

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "845815af087e11066919467b445deacdbbacc4d4f1ffbde333aa1a3373eebcad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-02-24T13:20:59Z",
    "title_canon_sha256": "03b28d51d32186e5ceb0994ebb7e53e078a81241697af911a938c9fced67ae7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4982",
    "kind": "arxiv",
    "version": 1
  }
}