Pith Number

pith:EBAD5H7D

pith:2019:EBAD5H7DCIL3SRDVD66XGZCRQ7

not attested not anchored not stored refs pending

The global stability of M33: still a puzzle

J. A. Sellwood (Steward Obs), Juntai Shen (Shanghai Jiao Tong University, Shanghai), Shanghai Obs), Zhi Li (Tsung-Dao Lee Institute

arxiv:1902.07222 v2 · 2019-02-19 · 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{EBAD5H7DCIL3SRDVD66XGZCRQ7}

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	2026-05-17T23:46:52.854475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20403e9fe31217b944751fbd73645187ed741cfdc0e8a30ceb2888fcbc01e34c

Aliases

arxiv: 1902.07222 · arxiv_version: 1902.07222v2 · doi: 10.48550/arxiv.1902.07222 · pith_short_12: EBAD5H7DCIL3 · pith_short_16: EBAD5H7DCIL3SRDV · pith_short_8: EBAD5H7D

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/EBAD5H7DCIL3SRDVD66XGZCRQ7 \
  | 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: 20403e9fe31217b944751fbd73645187ed741cfdc0e8a30ceb2888fcbc01e34c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b366aa370d6b8cf06e941c0913eacbd09bca17ea46ebc15360e6a305a1a6878",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-02-19T19:00:09Z",
    "title_canon_sha256": "a48840a20cd6da43001111931987866a9670f5cb75569c588b2a9a6312944b06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07222",
    "kind": "arxiv",
    "version": 2
  }
}