Pith Number

pith:BXNI5B4E

pith:2018:BXNI5B4EGXUDNROQNIQQUHDOBW

not attested not anchored not stored refs pending

The echo of the bar buckling: phase-space spirals in Gaia DR2

Ana Gomez, David Katz, Francoise Combes, Misha Haywood, Ortwin Gerhard, Paola Di Matteo, Peter Berczik, Sergey Khoperskov

arxiv:1811.09205 v2 · 2018-11-22 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BXNI5B4EGXUDNROQNIQQUHDOBW}

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	2026-05-17T23:55:10.960290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0dda8e878435e836c5d06a210a1c6e0daedaa942f3197e1c952821f07b223d4b

Aliases

arxiv: 1811.09205 · arxiv_version: 1811.09205v2 · doi: 10.48550/arxiv.1811.09205 · pith_short_12: BXNI5B4EGXUD · pith_short_16: BXNI5B4EGXUDNROQ · pith_short_8: BXNI5B4E

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/BXNI5B4EGXUDNROQNIQQUHDOBW \
  | 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: 0dda8e878435e836c5d06a210a1c6e0daedaa942f3197e1c952821f07b223d4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a5d47cebd5a3689dd306d100c8bd61e16fee72b94918848254b636fb67ace90",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-11-22T15:19:39Z",
    "title_canon_sha256": "ff476a03d00528df1d7f2739dbbe41bc4e3b2785608220818bf7b532f808e3d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.09205",
    "kind": "arxiv",
    "version": 2
  }
}