Pith Number

pith:RBFJT633

pith:2017:RBFJT633SGFI6UDHUPK6A7Z5VB

not attested not anchored not stored refs pending

Evidence for non-axisymmetry in M31 from wide-field kinematics of stars and gas

Matias Bla\~na, Maximilian H. Fabricius, Michael Opitsch, Ortwin Gerhard, Ralf Bender, Roberto P. Saglia

arxiv:1707.06652 v1 · 2017-07-20 · 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{RBFJT633SGFI6UDHUPK6A7Z5VB}

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	2026-05-18T00:20:39.381456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

884a99fb7b918a8f5067a3d5e07f3da874d377bcb20b9a02731ac6230815c313

Aliases

arxiv: 1707.06652 · arxiv_version: 1707.06652v1 · doi: 10.48550/arxiv.1707.06652 · pith_short_12: RBFJT633SGFI · pith_short_16: RBFJT633SGFI6UDH · pith_short_8: RBFJT633

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/RBFJT633SGFI6UDHUPK6A7Z5VB \
  | 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: 884a99fb7b918a8f5067a3d5e07f3da874d377bcb20b9a02731ac6230815c313

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25bb5db88ce78062b43859d1153365a967e6cd2509b1383b67dc168b71d63c90",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-07-20T18:00:04Z",
    "title_canon_sha256": "285d8617706519d871f7dfb2837398e30272d0703228b1bab238580781a47deb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.06652",
    "kind": "arxiv",
    "version": 1
  }
}