Pith Number

pith:OL35W3DU

pith:2026:OL35W3DUTAAG3MTFYMWVAX5GPI

not attested not anchored not stored refs pending

Caught in the act: interaction-driven evolution in the nearby compact galaxy group Roberts Quartet (SCG0018-4854)

Abhishek Paswan, Mousumi Das, Saili Keshri, Sudhanshu Barway

arxiv:2606.31960 v1 · 2026-06-30 · 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{OL35W3DUTAAG3MTFYMWVAX5GPI}

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	2026-07-01T01:18:27.056067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72f7db6c7498006db265c32d505fa67a38c9ee9b22dc524c7f833433a558d774

Aliases

arxiv: 2606.31960 · arxiv_version: 2606.31960v1 · doi: 10.48550/arxiv.2606.31960 · pith_short_12: OL35W3DUTAAG · pith_short_16: OL35W3DUTAAG3MTF · pith_short_8: OL35W3DU

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/OL35W3DUTAAG3MTFYMWVAX5GPI \
  | 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: 72f7db6c7498006db265c32d505fa67a38c9ee9b22dc524c7f833433a558d774

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d18807c88e89b086900d13f766d05fa3270f6f7e2dc389e130f75c427a19104",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-06-30T17:01:41Z",
    "title_canon_sha256": "dad6b377357ad2ce45e8a77b29b41c78a507b95d1a8de5d2bf01111fd5dbf9b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31960",
    "kind": "arxiv",
    "version": 1
  }
}