Pith Number

pith:YYSDYC7T

pith:2011:YYSDYC7TE75QHAF4O2ZTO7NFZW

not attested not anchored not stored refs pending

Optical-to-virial velocity ratios of local disk galaxies from combined kinematics and galaxy-galaxy lensing

Chris M. Hirata, James E. Gunn, Rachel Mandelbaum, Reiko Nakajima, Reinabelle Reyes, Uros Seljak

arxiv:1110.4107 v2 · 2011-10-18 · astro-ph.CO · 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{YYSDYC7TE75QHAF4O2ZTO7NFZW}

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	2026-05-18T00:48:21.258621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6243c0bf327fb0380bc76b3377da5cda401ef24fb4f19e88fe5e4a5c59996a2

Aliases

arxiv: 1110.4107 · arxiv_version: 1110.4107v2 · doi: 10.48550/arxiv.1110.4107 · pith_short_12: YYSDYC7TE75Q · pith_short_16: YYSDYC7TE75QHAF4 · pith_short_8: YYSDYC7T

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/YYSDYC7TE75QHAF4O2ZTO7NFZW \
  | 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: c6243c0bf327fb0380bc76b3377da5cda401ef24fb4f19e88fe5e4a5c59996a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d12e4c447a22b9dcaa56c0b2d2b951050dca155425cf778dd0756cef48f1b2ec",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-10-18T20:00:04Z",
    "title_canon_sha256": "729ec77faf63639f22c527cba01d36e93b13c56d19fb27e623d2d0521f4f5f9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.4107",
    "kind": "arxiv",
    "version": 2
  }
}