Pith Number

pith:NIKHMFEG

pith:2025:NIKHMFEGGLU2MBOZLZHI4OMVX3

not attested not anchored not stored refs pending

FEAST: JWST/NIRCam view of the Resolved Stellar Populations of the Interacting Dwarf Galaxies NGC~4485/NGC~4490

Alex Pedrini, Ana Duarte-Cabral, Anastasios Kapodistrias, Angela Adamo, Arjan Bik, Benjamin Gregg, Carmelle Robert, Daniela Calzetti, Drew Lapeer, Elena Sabbi, Elena Sacchi, Flavia Dell'Agli, Giacomo Bortolini, G\"oran \"Ostlin, Helena Faustino Vieira, John M. Cannon, John S. Gallagher, Kathryn Grasha, Linda J. Smith, Matteo Correnti, Matteo Messa, Michele Cignoni, Monica Tosi, Salvador Duarte Puertas, Sean T. Linden, Thomas S.-Y. Lai

arxiv:2509.01740 v1 · 2025-09-01 · 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{NIKHMFEGGLU2MBOZLZHI4OMVX3}

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	2026-07-05T12:03:07.232622Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a1476148632e9a605d95e4e8e3995beca766f3b2ed2fa44ffc390dce5d0b85b

Aliases

arxiv: 2509.01740 · arxiv_version: 2509.01740v1 · doi: 10.48550/arxiv.2509.01740 · pith_short_12: NIKHMFEGGLU2 · pith_short_16: NIKHMFEGGLU2MBOZ · pith_short_8: NIKHMFEG

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/NIKHMFEGGLU2MBOZLZHI4OMVX3 \
  | 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: 6a1476148632e9a605d95e4e8e3995beca766f3b2ed2fa44ffc390dce5d0b85b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9903f1137874995b33aaa7c6a6ee53d064e6b6d773c0b04b5ef5ab85f33d51ba",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-09-01T19:46:33Z",
    "title_canon_sha256": "ebfe57093ed7756492ffd4090b933f663b78d11de00d8dbb5d0a0ed266bb8b68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.01740",
    "kind": "arxiv",
    "version": 1
  }
}