Pith Number

pith:YOLK5ZWF

pith:2018:YOLK5ZWFJUX7AFCKUJEU5DDAGN

not attested not anchored not stored refs pending

The Stellar Halo of the Spiral Galaxy NGC 1560

Laura Greggio, Renato Falomo, Riccardo Scarpa

arxiv:1805.10056 v1 · 2018-05-25 · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YOLK5ZWFJUX7AFCKUJEU5DDAGN}

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	2026-05-18T00:09:58.997013Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c396aee6c54d2ff0144aa2494e8c60336f5ca0965154bd90cec15e40e8ecf4ee

Aliases

arxiv: 1805.10056 · arxiv_version: 1805.10056v1 · doi: 10.48550/arxiv.1805.10056 · pith_short_12: YOLK5ZWFJUX7 · pith_short_16: YOLK5ZWFJUX7AFCK · pith_short_8: YOLK5ZWF

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/YOLK5ZWFJUX7AFCKUJEU5DDAGN \
  | 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: c396aee6c54d2ff0144aa2494e8c60336f5ca0965154bd90cec15e40e8ecf4ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c78f8208dc0f30beaf88470b874678272efb5e23a4fb42cfa7e815c0f7c87e30",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-05-25T09:39:11Z",
    "title_canon_sha256": "f1569b192d8937f62b273fdfd63509e3fc33a4d6875736dd88b028fef1888058"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.10056",
    "kind": "arxiv",
    "version": 1
  }
}