Pith Number

pith:NSB7KWXF

pith:2013:NSB7KWXFWEXLIU7VNWIRHFNQEB

not attested not anchored not stored refs pending

Optical observations of NEA 162173 (1999 JU3) during the 2011-2012 apparition

D. Kuroda, D. S. Warjurkar, H.-K. Moon, J. Takahashi, M. Ishiguro, M.-J. Kim, M. Kaplan, S. Mottola, Y.-I. Byun, Y.-J. Choi

arxiv:1302.4542 v1 · 2013-02-19 · 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{NSB7KWXFWEXLIU7VNWIRHFNQEB}

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	2026-05-18T01:51:35.411877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c83f55ae5b12eb453f56d911395b020671a5da98bd9c1078c48ebea729dba10

Aliases

arxiv: 1302.4542 · arxiv_version: 1302.4542v1 · doi: 10.48550/arxiv.1302.4542 · pith_short_12: NSB7KWXFWEXL · pith_short_16: NSB7KWXFWEXLIU7V · pith_short_8: NSB7KWXF

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/NSB7KWXFWEXLIU7VNWIRHFNQEB \
  | 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: 6c83f55ae5b12eb453f56d911395b020671a5da98bd9c1078c48ebea729dba10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "300af2456dd6d6c67585ed24bb0af7c2b0a6bfe551f99b4d6b6fc1f4dfe711ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-02-19T08:29:03Z",
    "title_canon_sha256": "72b220b518c99c90d20aa03240ffd864863ad355ad74c880e31e56427bf55013"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.4542",
    "kind": "arxiv",
    "version": 1
  }
}