Pith Number

pith:I5EWMPEW

pith:2020:I5EWMPEWVZDI5E3SKIBBKTDQJK

not attested not anchored not stored refs pending

Binary-induced spiral arms inside the disc cavity of AB Aurigae

\'Alvaro Ribas, Christophe Pinte, Daniel J. Price, Enrique Mac\'ias, Jorge Cuadra, Josh Calcino, Nicol\'as Cuello, Pedro P. Poblete

arxiv:2005.10722 v2 · 2020-05-21 · astro-ph.EP · astro-ph.GA · astro-ph.IM · 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{I5EWMPEWVZDI5E3SKIBBKTDQJK}

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	2026-07-05T01:10:59.788891Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4749663c96ae468e93725202154c704a9b7b056495ec7cb406873497e68d66fb

Aliases

arxiv: 2005.10722 · arxiv_version: 2005.10722v2 · doi: 10.48550/arxiv.2005.10722 · pith_short_12: I5EWMPEWVZDI · pith_short_16: I5EWMPEWVZDI5E3S · pith_short_8: I5EWMPEW

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/I5EWMPEWVZDI5E3SKIBBKTDQJK \
  | 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: 4749663c96ae468e93725202154c704a9b7b056495ec7cb406873497e68d66fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0efcd19fe6bbc6b24aa1bbf873978c3d8e0f2caa3b3bbf1ac76c01d845695396",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.IM",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-05-21T15:19:44Z",
    "title_canon_sha256": "a6cd5218efd1b6f4973375822d7dc9a5fea9e863a119e4440d257355cd637f91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.10722",
    "kind": "arxiv",
    "version": 2
  }
}