Pith Number

pith:6ZZGFNLM

pith:2018:6ZZGFNLMKYE2EHRRTQCDYVNO5X

not attested not anchored not stored refs pending

Sub-millimeter non-contaminated detection of the disk around TWA\,7 by ALMA

A. Bayo, C. Caceres, C. Zamora, D. Iglesias, I. de Gregorio-Monsalvo, J. C. Beamin, J. Gallardo, J. Olofsson, L. Matra, M. Booth, M. R. Schreiber, Th. Henning

arxiv:1806.09252 v3 · 2018-06-25 · astro-ph.SR · 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{6ZZGFNLMKYE2EHRRTQCDYVNO5X}

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	2026-05-17T23:46:55.314718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f67262b56c5609a21e319c043c55aeedeb329452e08490c504c6cef68230358f

Aliases

arxiv: 1806.09252 · arxiv_version: 1806.09252v3 · doi: 10.48550/arxiv.1806.09252 · pith_short_12: 6ZZGFNLMKYE2 · pith_short_16: 6ZZGFNLMKYE2EHRR · pith_short_8: 6ZZGFNLM

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/6ZZGFNLMKYE2EHRRTQCDYVNO5X \
  | 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: f67262b56c5609a21e319c043c55aeedeb329452e08490c504c6cef68230358f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ca3990ee632476a7d9fb9b140d2cd696c208e9c6766776adbbaedbbb310c545",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-06-25T02:02:27Z",
    "title_canon_sha256": "066f3484ad7a9ab232c51eb5bf66c5c3da22eee8bb8b848b9ad8ca3bef2dfaa0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.09252",
    "kind": "arxiv",
    "version": 3
  }
}