Pith Number

pith:QDYX4UIQ

pith:2012:QDYX4UIQFRPHAXQOHVPWN4B3GL

not attested not anchored not stored refs pending

The fate of high redshift massive compact galaxies in dense environments

Lucio Mayer, Marcella Carollo, Robert Feldmann, Tobias Kaufmann

arxiv:1201.6605 v1 · 2012-01-31 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QDYX4UIQFRPHAXQOHVPWN4B3GL}

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	2026-05-18T04:03:30.052253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80f17e51102c5e705e0e3d5f66f03b32c49939034e760dc4a6cfe6084acea2ec

Aliases

arxiv: 1201.6605 · arxiv_version: 1201.6605v1 · doi: 10.48550/arxiv.1201.6605 · pith_short_12: QDYX4UIQFRPH · pith_short_16: QDYX4UIQFRPHAXQO · pith_short_8: QDYX4UIQ

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/QDYX4UIQFRPHAXQOHVPWN4B3GL \
  | 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: 80f17e51102c5e705e0e3d5f66f03b32c49939034e760dc4a6cfe6084acea2ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71a4478ef46acd9a388ba42ac44cf8fa6423261991b93416d823fb3d556e20e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-01-31T16:37:09Z",
    "title_canon_sha256": "59d1435261e8d79ba30d62c1cc0c83f731d7551b34846ce68c168e57410fd039"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.6605",
    "kind": "arxiv",
    "version": 1
  }
}