Pith Number

pith:K2SJVTHU

pith:2011:K2SJVTHUMANC77EQTFSPQ2J4K6

not attested not anchored not stored refs pending

Redshift Evolution of the Galaxy Velocity Dispersion Function

Gabriel B. Brammer, Hans-Walter Rix, Ivo Labb\'e, Jarle Brinchmann, Jesse van de Sande, Katherine E. Whitaker, Marijn Franx, Mariska Kriek, Pieter G. van Dokkum, Rachel Bezanson, Rik J. Williams, Ryan F. Quadri

arxiv:1107.0972 v1 · 2011-07-05 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K2SJVTHUMANC77EQTFSPQ2J4K6}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:01:24.488431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56a49accf4601a2ffc909964f8693c57aab087a6f610050be249c1d01b8a04ab

Aliases

arxiv: 1107.0972 · arxiv_version: 1107.0972v1 · doi: 10.48550/arxiv.1107.0972 · pith_short_12: K2SJVTHUMANC · pith_short_16: K2SJVTHUMANC77EQ · pith_short_8: K2SJVTHU

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/K2SJVTHUMANC77EQTFSPQ2J4K6 \
  | 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: 56a49accf4601a2ffc909964f8693c57aab087a6f610050be249c1d01b8a04ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4bacbe82455e578feb000c0fbdf65a979632212268a44f0e9c78a161abb1891",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-05T20:00:04Z",
    "title_canon_sha256": "5b11366e0fd3362364f425411e305fe57ecc95e5ac435173b99234da67df3c1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.0972",
    "kind": "arxiv",
    "version": 1
  }
}