Pith Number

pith:WQK35V3Y

pith:2012:WQK35V3YZUTCFYINC6AKW3LP52

not attested not anchored not stored refs pending

Close neighbors of Markarian galaxies. I. Optical database

A. R. Petrosian, B. J. McLean, T. A. Nazaryan

arxiv:1211.3970 v1 · 2012-11-16 · 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{WQK35V3YZUTCFYINC6AKW3LP52}

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	2026-05-18T03:39:27.865113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b415bed778cd2622e10d1780ab6d6feebeacc96e282f0337141b91ba234844d9

Aliases

arxiv: 1211.3970 · arxiv_version: 1211.3970v1 · doi: 10.48550/arxiv.1211.3970 · pith_short_12: WQK35V3YZUTC · pith_short_16: WQK35V3YZUTCFYIN · pith_short_8: WQK35V3Y

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/WQK35V3YZUTCFYINC6AKW3LP52 \
  | 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: b415bed778cd2622e10d1780ab6d6feebeacc96e282f0337141b91ba234844d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d7598a254b68f8acb7ee73eeb7368b70254038fc1b8d78e37efc02ed2570cad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-11-16T17:54:56Z",
    "title_canon_sha256": "d6ff6d077ff878186ca3f8061ebc03d2f1295eb5fc1b8a98d597684440bc9c4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.3970",
    "kind": "arxiv",
    "version": 1
  }
}