Pith Number

pith:PHBTFY7S

pith:2018:PHBTFY7S7MHKVSCX4YAV6A36GT

not attested not anchored not stored refs pending

A Malin 1 'cousin' with counter-rotation: internal dynamics and stellar content of the giant low surface brightness galaxy UGC 1922

Anastasia V. Kasparova, Anna S. Saburova, Igor V. Chilingarian, Ivan Yu. Katkov, Oleg V. Egorov, Olga V. Vozyakova, Roman I. Uklein, Sergey A. Khoperskov

arxiv:1809.04333 v1 · 2018-09-12 · 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{PHBTFY7S7MHKVSCX4YAV6A36GT}

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	2026-05-18T00:04:54.629099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79c332e3f2fb0eaac857e6015f037e34c9776928a596488ae1f1818f3cbf13ea

Aliases

arxiv: 1809.04333 · arxiv_version: 1809.04333v1 · doi: 10.48550/arxiv.1809.04333 · pith_short_12: PHBTFY7S7MHK · pith_short_16: PHBTFY7S7MHKVSCX · pith_short_8: PHBTFY7S

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/PHBTFY7S7MHKVSCX4YAV6A36GT \
  | 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: 79c332e3f2fb0eaac857e6015f037e34c9776928a596488ae1f1818f3cbf13ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2505fbf1eda01c3de9aa724dd18f181dde063634a7218192c2ebd10919330cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-09-12T09:47:44Z",
    "title_canon_sha256": "003fa0a4ffc2efe2522f4fa6401ad326c5d6968644b6d6be32330285f219b457"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.04333",
    "kind": "arxiv",
    "version": 1
  }
}