Pith Number

pith:O2KL4XM5

pith:2012:O2KL4XM53QEZ6OWYKOKLVRP63N

not attested not anchored not stored refs pending

Close Galaxy Pairs at z = 3: A Challenge to UV Luminosity Abundance Matching

Jeff Cooke, Joel C. Berrier

arxiv:1208.1763 v3 · 2012-08-08 · 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{O2KL4XM53QEZ6OWYKOKLVRP63N}

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	2026-05-18T03:42:13.085501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7694be5d9ddc099f3ad85394bac5fedb7d364d91c2c21b0aa4ff45a38a5165e7

Aliases

arxiv: 1208.1763 · arxiv_version: 1208.1763v3 · doi: 10.48550/arxiv.1208.1763 · pith_short_12: O2KL4XM53QEZ · pith_short_16: O2KL4XM53QEZ6OWY · pith_short_8: O2KL4XM5

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/O2KL4XM53QEZ6OWYKOKLVRP63N \
  | 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: 7694be5d9ddc099f3ad85394bac5fedb7d364d91c2c21b0aa4ff45a38a5165e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38099bf23ffc830d17f040de21e83796b9b3b8082d2d7047788474c28b82bab4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-08-08T20:00:07Z",
    "title_canon_sha256": "aa7d279669161c8c7f97176c1776b094423e2caa6ad4875e87f0b4d2a1ea2d1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.1763",
    "kind": "arxiv",
    "version": 3
  }
}