Pith Number

pith:NISIYRZP

pith:2017:NISIYRZPG2LJK4NTOY6LGLZVCX

not attested not anchored not stored refs pending

UGC 4703 interacting pair near to an isolated spiral galaxy NGC 2718: A Milky Way Magellanic Cloud analogue

C. Sengupta, Sanjaya Paudel

arxiv:1710.09040 v1 · 2017-10-25 · 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{NISIYRZPG2LJK4NTOY6LGLZVCX}

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	2026-05-18T00:30:40.442294Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a248c472f36969571b3763cb32f3515fe4155fd4976e0c6ba2a63aadca77fd4

Aliases

arxiv: 1710.09040 · arxiv_version: 1710.09040v1 · doi: 10.48550/arxiv.1710.09040 · pith_short_12: NISIYRZPG2LJ · pith_short_16: NISIYRZPG2LJK4NT · pith_short_8: NISIYRZP

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/NISIYRZPG2LJK4NTOY6LGLZVCX \
  | 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: 6a248c472f36969571b3763cb32f3515fe4155fd4976e0c6ba2a63aadca77fd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b7a7c40eb0d05607a134c600475271dfe60fc926f2023b34b36db234b0b0048",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-10-25T01:40:10Z",
    "title_canon_sha256": "c2133161feede80a08ffe9b671b14805ab0d94ab819d22afbd92f2ed558b93e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.09040",
    "kind": "arxiv",
    "version": 1
  }
}