Pith Number

pith:RA2ZIZ5X

pith:2018:RA2ZIZ5XIV36SSX2XCESZZ3VND

not attested not anchored not stored refs pending

Unsupervised Learning of Structure in Spectroscopic Cubes

Amelia Bayo, Diego Mardones, Marcelo Mendoza, Mauricio Araya, Mauricio Solar

arxiv:1806.05650 v1 · 2018-06-14 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RA2ZIZ5XIV36SSX2XCESZZ3VND}

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	2026-05-18T00:13:14.461769Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88359467b74577e94afab8892ce77568c63594fdc9b6eed6b9a7c346b281b0c8

Aliases

arxiv: 1806.05650 · arxiv_version: 1806.05650v1 · doi: 10.48550/arxiv.1806.05650 · pith_short_12: RA2ZIZ5XIV36 · pith_short_16: RA2ZIZ5XIV36SSX2 · pith_short_8: RA2ZIZ5X

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/RA2ZIZ5XIV36SSX2XCESZZ3VND \
  | 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: 88359467b74577e94afab8892ce77568c63594fdc9b6eed6b9a7c346b281b0c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47b79cc197ec9911b0da9a2ecc86330f6d406c6d8a9a3a601f15ea918156065e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-06-14T17:05:36Z",
    "title_canon_sha256": "d33fd8dda6a9d79c9c6f78d4f3521388bbec2070b836f9a5d835156297aee0b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.05650",
    "kind": "arxiv",
    "version": 1
  }
}