Pith Number

pith:LYWMUZHF

pith:2017:LYWMUZHFPKULZUBIICMHGICKXY

not attested not anchored not stored refs pending

The galaxy group NGC2563

Andrea Morandi, Daisuke Nagai, John Mulchaey, Massimiliano Bonamente, Ming Sun

arxiv:1705.00616 v1 · 2017-05-01 · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LYWMUZHFPKULZUBIICMHGICKXY}

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	2026-05-18T00:45:10.296530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e2cca64e57aa8bcd028409873204abe26b11773220a0359eda3745256b09af5

Aliases

arxiv: 1705.00616 · arxiv_version: 1705.00616v1 · doi: 10.48550/arxiv.1705.00616 · pith_short_12: LYWMUZHFPKUL · pith_short_16: LYWMUZHFPKULZUBI · pith_short_8: LYWMUZHF

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/LYWMUZHFPKULZUBIICMHGICKXY \
  | 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: 5e2cca64e57aa8bcd028409873204abe26b11773220a0359eda3745256b09af5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fb901d33fc7385b336cf9a1f4c037bec6183c47a6d33a11d014b76b1831cb38",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-05-01T18:00:00Z",
    "title_canon_sha256": "dce60ee562be9df7cc08f234d2df1e51709fa00d330f88090a5711ab18d527ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.00616",
    "kind": "arxiv",
    "version": 1
  }
}