Pith Number

pith:YJB5PDKP

pith:2016:YJB5PDKPLYOBKT2C4E3JRWF3PS

not attested not anchored not stored refs pending

Locally linear embedding: dimension reduction of massive protostellar spectra

J. L. Ward, S. L. Lumsden

arxiv:1606.06915 v1 · 2016-06-22 · astro-ph.IM · 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{YJB5PDKPLYOBKT2C4E3JRWF3PS}

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	2026-05-18T01:12:00.915136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c243d78d4f5e1c154f42e13698d8bb7c8695735588669a3e4ff494aa7f3e6239

Aliases

arxiv: 1606.06915 · arxiv_version: 1606.06915v1 · doi: 10.48550/arxiv.1606.06915 · pith_short_12: YJB5PDKPLYOB · pith_short_16: YJB5PDKPLYOBKT2C · pith_short_8: YJB5PDKP

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/YJB5PDKPLYOBKT2C4E3JRWF3PS \
  | 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: c243d78d4f5e1c154f42e13698d8bb7c8695735588669a3e4ff494aa7f3e6239

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c9e5f9349d9f2b3ccbf9d71c20a05e6d043c5ec11cf812f6d81b8850065a04b",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-06-22T11:50:18Z",
    "title_canon_sha256": "8f782fc41eaec58857a5b456d020b97bcbe11b90c2e9c4e93a07f3355af0d263"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.06915",
    "kind": "arxiv",
    "version": 1
  }
}