Pith Number

pith:PFKA23MB

pith:2018:PFKA23MBWFK4KKBBW6C2XZYRT4

not attested not anchored not stored refs pending

Relating the HI Gas Structure of Spiral Disks to Passing Satellites

Andrew Lipnicky, Philip Chang, Sukanya Chakrabarti

arxiv:1808.09454 v1 · 2018-08-28 · 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{PFKA23MBWFK4KKBBW6C2XZYRT4}

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	2026-05-18T00:06:55.546697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79540d6d81b155c52821b785abe7119f12393b1aeea9df44123d3746a461bf8b

Aliases

arxiv: 1808.09454 · arxiv_version: 1808.09454v1 · doi: 10.48550/arxiv.1808.09454 · pith_short_12: PFKA23MBWFK4 · pith_short_16: PFKA23MBWFK4KKBB · pith_short_8: PFKA23MB

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/PFKA23MBWFK4KKBBW6C2XZYRT4 \
  | 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: 79540d6d81b155c52821b785abe7119f12393b1aeea9df44123d3746a461bf8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8aabd8891f03154ed84752e74c1a61cb73c9c02fd24c90ab660be101a9aa62b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-08-28T18:00:01Z",
    "title_canon_sha256": "89cb5961f176b80c7a44f1bec3b5c0f6856aae0d9899a78205c0da1df01026e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.09454",
    "kind": "arxiv",
    "version": 1
  }
}