Pith Number

pith:447O2F7L

pith:2025:447O2F7L6FYTOL26ISCZVDUXDR

not attested not anchored not stored refs pending

Distinguishing Ram Pressure from Tidal Interactions: the Size-Shape Difference (SSD) measure

Antonino Marasco, Benedetta Vulcani, Bianca M. Poggianti, Katarina Kraljic, Paula Calderon-Castillo, Rory Smith, Stephanie Tonnesen, Yara Jaffe

arxiv:2506.13884 v1 · 2025-06-16 · 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{447O2F7L6FYTOL26ISCZVDUXDR}

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	2026-07-05T12:03:27.494325Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e73eed17ebf171372f5e44859a8e971c4d70fd7e7640ef765b5f848041c6ac83

Aliases

arxiv: 2506.13884 · arxiv_version: 2506.13884v1 · doi: 10.48550/arxiv.2506.13884 · pith_short_12: 447O2F7L6FYT · pith_short_16: 447O2F7L6FYTOL26 · pith_short_8: 447O2F7L

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/447O2F7L6FYTOL26ISCZVDUXDR \
  | 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: e73eed17ebf171372f5e44859a8e971c4d70fd7e7640ef765b5f848041c6ac83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4181338c28efd1bbe443f2a8af86be73366534af0b81accbcbbcd73d73d8f6da",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-06-16T18:03:38Z",
    "title_canon_sha256": "ea83f838971d56baea45b7e8860481c5037d104626b83d4c84e13b87bd9aa3e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.13884",
    "kind": "arxiv",
    "version": 1
  }
}