Pith Number

pith:U6VJU2RS

pith:2010:U6VJU2RSDE5ATSI5WE3FWPZOQ2

not attested not anchored not stored refs pending

The age-redshift relation for Luminous Red Galaxies in the Sloan Digital Sky Survey

Dan P. Carson, Robert C. Nichol (ICG Portsmouth)

arxiv:1006.2830 v1 · 2010-06-14 · 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{U6VJU2RSDE5ATSI5WE3FWPZOQ2}

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	2026-05-18T02:06:53.625968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7aa9a6a32193a09c91db1365b3f2e86968ceecf4e30154ed4c742e0206d3814

Aliases

arxiv: 1006.2830 · arxiv_version: 1006.2830v1 · doi: 10.48550/arxiv.1006.2830 · pith_short_12: U6VJU2RSDE5A · pith_short_16: U6VJU2RSDE5ATSI5 · pith_short_8: U6VJU2RS

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/U6VJU2RSDE5ATSI5WE3FWPZOQ2 \
  | 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: a7aa9a6a32193a09c91db1365b3f2e86968ceecf4e30154ed4c742e0206d3814

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cf31da9cd7f14fca79385b11c569bef544851e08b8d29bbc853b68cfc80db13",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-06-14T20:00:47Z",
    "title_canon_sha256": "5dd9e7b9db6087b7c2ae9163bf83f6144d5d9d17b607d777f0acfbeea6cd86b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.2830",
    "kind": "arxiv",
    "version": 1
  }
}