Pith Number

pith:KUQK2LAE

pith:2019:KUQK2LAEJUS2MEU3O22YLBJV3U

not attested not anchored not stored refs pending

Analysis of HST WFPC2 Observations of Centaur 29P/Schwassmann-Wachmann 1 while in Outburst to Place Constraints on the Nucleus' Rotation State

Arunav Kundu, Charles Schambeau, Laura Woodney, Nalin Samarasinha, Yanga Fernandez

arxiv:1911.00049 v1 · 2019-10-31 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KUQK2LAEJUS2MEU3O22YLBJV3U}

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	2026-07-05T00:30:33.177135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5520ad2c044d25a6129b76b5858535dd1dd747c9230894795f4abf46f67a4c10

Aliases

arxiv: 1911.00049 · arxiv_version: 1911.00049v1 · doi: 10.48550/arxiv.1911.00049 · pith_short_12: KUQK2LAEJUS2 · pith_short_16: KUQK2LAEJUS2MEU3 · pith_short_8: KUQK2LAE

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/KUQK2LAEJUS2MEU3O22YLBJV3U \
  | 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: 5520ad2c044d25a6129b76b5858535dd1dd747c9230894795f4abf46f67a4c10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "931d702b633a5d9d81237b73113309bd92b8f3b39133bc943cdc5cdd8af7037a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-10-31T18:38:50Z",
    "title_canon_sha256": "aa018ce32715c7288e68001699505731eeddefb74a1b391a7fa2aee5983aea5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.00049",
    "kind": "arxiv",
    "version": 1
  }
}