Pith Number

pith:EIKWEVRM

pith:2011:EIKWEVRMSU2DRGN3GYYRCTB5FI

not attested not anchored not stored refs pending

SDSS DR7 superclusters. Principal component analysis

E. Saar, E. Tago, E. Tempel, J. Einasto, L.J. Liivamagi, M. Einasto, V.J. Martinez

arxiv:1108.4372 v1 · 2011-08-22 · 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{EIKWEVRMSU2DRGN3GYYRCTB5FI}

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	2026-05-18T02:00:49.743198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

221562562c95343899bb3631114c3d2a0961d6adf0e3dda719282aefd28f7253

Aliases

arxiv: 1108.4372 · arxiv_version: 1108.4372v1 · doi: 10.48550/arxiv.1108.4372 · pith_short_12: EIKWEVRMSU2D · pith_short_16: EIKWEVRMSU2DRGN3 · pith_short_8: EIKWEVRM

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/EIKWEVRMSU2DRGN3GYYRCTB5FI \
  | 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: 221562562c95343899bb3631114c3d2a0961d6adf0e3dda719282aefd28f7253

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7d5e7bcd7b0a258353a9df1d552560caade51153a37641ade079c2017581a1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-08-22T16:35:38Z",
    "title_canon_sha256": "d46c847d2c1cf7a2f50d0fd8dc0573673e2a378d4dac014fe6aa9b655443dfb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.4372",
    "kind": "arxiv",
    "version": 1
  }
}