Pith Number

pith:2BHHNEUS

pith:2021:2BHHNEUSAFRQK6V62LUEPHIRJE

not attested not anchored not stored refs pending

MeerKAT 21-cm HI imaging of Abell 2626 and beyond

B. Vulcani, J. Healy, M.A.W. Verheijen, M. Ramatsoku, P. Serra, S-L. Blyth, T. Deb

arxiv:2106.13018 v1 · 2021-06-24 · 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{2BHHNEUSAFRQK6V62LUEPHIRJE}

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	2026-07-05T03:25:58.864325Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d04e7692920163057abed2e8479d11490112dfbbd8f81edc3336cfc86ee6e1ad

Aliases

arxiv: 2106.13018 · arxiv_version: 2106.13018v1 · doi: 10.48550/arxiv.2106.13018 · pith_short_12: 2BHHNEUSAFRQ · pith_short_16: 2BHHNEUSAFRQK6V6 · pith_short_8: 2BHHNEUS

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/2BHHNEUSAFRQK6V62LUEPHIRJE \
  | 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: d04e7692920163057abed2e8479d11490112dfbbd8f81edc3336cfc86ee6e1ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fcfc11739bd4b1357052042631cac59b017c8fee82a5af9957e295155623735",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-06-24T13:51:00Z",
    "title_canon_sha256": "07a6305a94468fe2048fcbda09604c55345fdee48a480cc24d8f776bd2826e5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.13018",
    "kind": "arxiv",
    "version": 1
  }
}