Pith Number

pith:V5ESR42W

pith:2018:V5ESR42WBJB6BFDWNLZWBSVDAT

not attested not anchored not stored refs pending

The Need for Speed: Escape velocity and dynamical mass measurements of the Andromeda galaxy

Aaron S. G. Robotham, Geraint F. Lewis, Prajwal R. Kafle, Sanjib Sharma, Simon P. Driver

arxiv:1801.03949 v1 · 2018-01-11 · astro-ph.GA · astro-ph.CO

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Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-18T00:25:15.157844Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af4928f3560a43e094766af360caa304d12a127825c6de1b5dfe4ef4216511de

Aliases

arxiv: 1801.03949 · arxiv_version: 1801.03949v1 · doi: 10.48550/arxiv.1801.03949

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/V5ESR42WBJB6BFDWNLZWBSVDAT \
  | 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: af4928f3560a43e094766af360caa304d12a127825c6de1b5dfe4ef4216511de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "642e873f6f7dec93104e028c7edd014bc549dc6a4f1dd3ee0a24f803f8dfa825",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-01-11T19:00:16Z",
    "title_canon_sha256": "abb92154f03d48bb839fb4b03ac68f0e2d8d0e8567106454ca6eb56db6ca9abd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.03949",
    "kind": "arxiv",
    "version": 1
  }
}