Pith Number

pith:6WV25K64

pith:2012:6WV25K64VTADQ73EK2K4UK64FM

not attested not anchored not stored refs pending

The merger rates and sizes of galaxies across the peak epoch of star formation from the HiZELS survey

David Sobral (Leiden), Ian Smail (Durham), James E. Geach (McGill), John P. Stott (Durham), Philip N. Best (Edinburgh), Richard Bower (Durham)

arxiv:1212.4834 v2 · 2012-12-19 · 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{6WV25K64VTADQ73EK2K4UK64FM}

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	2026-05-18T03:14:39.273964Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5abaeabdcacc0387f645695ca2bdc2b2bc4962636d6aced0ea52ba5617421d6

Aliases

arxiv: 1212.4834 · arxiv_version: 1212.4834v2 · doi: 10.48550/arxiv.1212.4834 · pith_short_12: 6WV25K64VTAD · pith_short_16: 6WV25K64VTADQ73E · pith_short_8: 6WV25K64

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/6WV25K64VTADQ73EK2K4UK64FM \
  | 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: f5abaeabdcacc0387f645695ca2bdc2b2bc4962636d6aced0ea52ba5617421d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "018624eea98707d6ef530c1fa38e0fa62a35fae9dc808acb930c4654f236e57c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-12-19T21:00:02Z",
    "title_canon_sha256": "835d58072ce51bfa59918a821261eb1ca09fa5f70112c2027a63a9df43e474ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.4834",
    "kind": "arxiv",
    "version": 2
  }
}