Pith Number

pith:SIDDVNFY

pith:2019:SIDDVNFYUGJAQTU4T5QBANFCDZ

not attested not anchored not stored refs pending

Resolving the FU Ori System with ALMA: Interacting Twin Disks?

Alice Zurlo, Antonio Hales, David Principe, Hauyu Baobab Liu, Jonathan Williams, Lucas Cieza, Nicol\'as Cuello, Sebasti\'an P\'erez, Simon Casassus, Zhaohuan Zhu

arxiv:1911.11282 v1 · 2019-11-25 · astro-ph.EP · astro-ph.GA · 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{SIDDVNFYUGJAQTU4T5QBANFCDZ}

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	2026-07-05T00:38:07.977787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92063ab4b8a192084e9c9f601034a21e53a33c35828f70787f5c1d2b654f7921

Aliases

arxiv: 1911.11282 · arxiv_version: 1911.11282v1 · doi: 10.48550/arxiv.1911.11282 · pith_short_12: SIDDVNFYUGJA · pith_short_16: SIDDVNFYUGJAQTU4 · pith_short_8: SIDDVNFY

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/SIDDVNFYUGJAQTU4T5QBANFCDZ \
  | 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: 92063ab4b8a192084e9c9f601034a21e53a33c35828f70787f5c1d2b654f7921

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1dab6a3b483bffce82f58228b56d840e14b9d3d69a85537c546ae2f205a9843e",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-11-25T23:49:03Z",
    "title_canon_sha256": "0fb984fac73fa34f271f3f4d7ad3600d226dbba266d6b441dc656ba81c3ff334"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.11282",
    "kind": "arxiv",
    "version": 1
  }
}