Pith Number

pith:QJIVEZMK

pith:2017:QJIVEZMKM5PE6ZJQYBZT6KFIT3

not attested not anchored not stored refs pending

On the evolution of the central density of quiescent galaxies

Alvio Renzini, Anna Cibinel, Avishai Dekel, C. Marcella Carollo, David C. Koo, Joanna Woo, Sandro Tacchella, S. M. Faber

arxiv:1707.00695 v2 · 2017-07-03 · 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{QJIVEZMKM5PE6ZJQYBZT6KFIT3}

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	2026-05-18T00:38:50.256217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

825152658a675e4f6530c0733f28a89ef9792c5d23e345b2f8f24194a9f8f270

Aliases

arxiv: 1707.00695 · arxiv_version: 1707.00695v2 · doi: 10.48550/arxiv.1707.00695 · pith_short_12: QJIVEZMKM5PE · pith_short_16: QJIVEZMKM5PE6ZJQ · pith_short_8: QJIVEZMK

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/QJIVEZMKM5PE6ZJQYBZT6KFIT3 \
  | 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: 825152658a675e4f6530c0733f28a89ef9792c5d23e345b2f8f24194a9f8f270

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0b730d66e29b4d2d2de1efe49f271028eaf68f32c29ea58adddd812127d5dc8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-07-03T18:00:02Z",
    "title_canon_sha256": "ddab422da8605b6027e7144f691cc650fadda3375a4e3478b88b719f60fd9986"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.00695",
    "kind": "arxiv",
    "version": 2
  }
}