Pith Number

pith:QULXOX2N

pith:2011:QULXOX2N7WT26KIMOKWZIPGQRY

not attested not anchored not stored refs pending

Wide HI profile galaxies

Adi Zitrin, Noah Brosch, Oded Spector

arxiv:1103.2910 v1 · 2011-03-15 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QULXOX2N7WT26KIMOKWZIPGQRY}

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	2026-05-18T00:48:21.360906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8517775f4dfda7af290c72ad943cd08e14788f03c58d6422355a935fb0d394c4

Aliases

arxiv: 1103.2910 · arxiv_version: 1103.2910v1 · doi: 10.48550/arxiv.1103.2910 · pith_short_12: QULXOX2N7WT2 · pith_short_16: QULXOX2N7WT26KIM · pith_short_8: QULXOX2N

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/QULXOX2N7WT26KIMOKWZIPGQRY \
  | 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: 8517775f4dfda7af290c72ad943cd08e14788f03c58d6422355a935fb0d394c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "650d92b8e635278818fd04f35bdd45c86adce6155b34d4b7be0a1fb3e6d4c47f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-03-15T13:55:20Z",
    "title_canon_sha256": "e7cd673f7ecec9944ce3da576887497819f81314a93dac4f954d3b1c11baf7f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.2910",
    "kind": "arxiv",
    "version": 1
  }
}