Pith Number

pith:EGAMRJV7

pith:2021:EGAMRJV7TROS6IXBAC2FEJAOA5

not attested not anchored not stored refs pending

The Westerbork Coma Survey: A blind, deep, high-resolution HI survey of the Coma cluster

A. Boselli, D. Cs. Molnar, E. de Blok, G. I. G. Jozsa, J. Healy, K. M. Hess, L. Cortese, M. A. W. Verheijen, M. Cappellari, P. Serra, R. M. McDermid, T. A. Oosterloo, T. H. Jarrett, T. van der Hulst

arxiv:2112.12244 v2 · 2021-12-22 · 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{EGAMRJV7TROS6IXBAC2FEJAOA5}

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	2026-07-05T04:04:28.954218Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2180c8a6bf9c5d2f22e100b452240e074f22f3badc4c08ee9901be013efae04b

Aliases

arxiv: 2112.12244 · arxiv_version: 2112.12244v2 · doi: 10.48550/arxiv.2112.12244 · pith_short_12: EGAMRJV7TROS · pith_short_16: EGAMRJV7TROS6IXB · pith_short_8: EGAMRJV7

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/EGAMRJV7TROS6IXBAC2FEJAOA5 \
  | 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: 2180c8a6bf9c5d2f22e100b452240e074f22f3badc4c08ee9901be013efae04b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89d65a143b69d3dc42a08a10707b042c6f957baf6c56d71393cee29ec7347440",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-12-22T22:19:59Z",
    "title_canon_sha256": "e45e0775d6344a5b785296affe9316554944c9307ab7a4fe643e1e417d6504d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.12244",
    "kind": "arxiv",
    "version": 2
  }
}