Pith Number

pith:TWKJR5T7

pith:2026:TWKJR5T7TEE4BCMLH4YNAHHTCX

not attested not anchored not stored refs pending

Hierarchical assembly in action: a galaxy tail from a disrupting group in the Virgo cluster outskirts

J. Alfonso L. Aguerri, Lorenzo Morelli, Stefano Zarattini, Virginia Cuomo

arxiv:2606.02074 v1 · 2026-06-01 · 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{TWKJR5T7TEE4BCMLH4YNAHHTCX}

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	2026-06-02T02:05:05.230408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d9498f67f9909c0898b3f30d01cf315c14f045084a6d7bdea0cf87d6d785eaf

Aliases

arxiv: 2606.02074 · arxiv_version: 2606.02074v1 · doi: 10.48550/arxiv.2606.02074 · pith_short_12: TWKJR5T7TEE4 · pith_short_16: TWKJR5T7TEE4BCML · pith_short_8: TWKJR5T7

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/TWKJR5T7TEE4BCMLH4YNAHHTCX \
  | 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: 9d9498f67f9909c0898b3f30d01cf315c14f045084a6d7bdea0cf87d6d785eaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7a2e7c4741b4bffa512ecc22577496cd28ea43880ef16e39f08d22e75341131",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-06-01T11:02:05Z",
    "title_canon_sha256": "d16bbe8fe25acb49f0a041dbb09d48a7c8fa13206e267ea1b9534a9813e77dd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.02074",
    "kind": "arxiv",
    "version": 1
  }
}