Pith Number

pith:P46ENQEP

pith:2011:P46ENQEP6FAM53XNVMUN6Y36HO

not attested not anchored not stored refs pending

VLBA observations of a complete sample of 2MASS galaxies

Jeremy Darling, Jim Condon, Leonid Petrov, Yuri Y. Kovalev

arxiv:1110.6252 v1 · 2011-10-28 · 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{P46ENQEP6FAM53XNVMUN6Y36HO}

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	2026-05-18T04:09:57.262906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f3c46c08ff140ceeeedab28df637e3b975297c28feb0040dc810ad99cd2de04

Aliases

arxiv: 1110.6252 · arxiv_version: 1110.6252v1 · doi: 10.48550/arxiv.1110.6252 · pith_short_12: P46ENQEP6FAM · pith_short_16: P46ENQEP6FAM53XN · pith_short_8: P46ENQEP

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/P46ENQEP6FAM53XNVMUN6Y36HO \
  | 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: 7f3c46c08ff140ceeeedab28df637e3b975297c28feb0040dc810ad99cd2de04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93a019fbdeb22c0e39bc58cd2d3ddfa074d6fc14c8cd4b93940921233a4da213",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-10-28T05:11:39Z",
    "title_canon_sha256": "f026d532a0f6de063212dd346d515bd779ebe88f2bc9b14d38ec7731a51548d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.6252",
    "kind": "arxiv",
    "version": 1
  }
}