Pith Number

pith:UAOGVSOK

pith:2018:UAOGVSOKJADCQOO4BSHRTEGC3N

not attested not anchored not stored refs pending

Transfer Learning in Astronomy: A New Machine-Learning Paradigm

Ricardo Vilalta

arxiv:1812.10403 v1 · 2018-12-20 · astro-ph.HE · astro-ph.IM · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UAOGVSOKJADCQOO4BSHRTEGC3N}

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	2026-05-17T23:57:24.156733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a01c6ac9ca48062839dc0c8f1990c2db4cec9b158c24dd9054f7cdca1f07885f

Aliases

arxiv: 1812.10403 · arxiv_version: 1812.10403v1 · doi: 10.48550/arxiv.1812.10403 · pith_short_12: UAOGVSOKJADC · pith_short_16: UAOGVSOKJADCQOO4 · pith_short_8: UAOGVSOK

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/UAOGVSOKJADCQOO4BSHRTEGC3N \
  | 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: a01c6ac9ca48062839dc0c8f1990c2db4cec9b158c24dd9054f7cdca1f07885f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c398a298fe3bec832b448aee7d87ca3292d138d67bb60a3e8c10aa34e5d7ebd",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-12-20T22:24:37Z",
    "title_canon_sha256": "8ecf09dd372f7403038615ac6c85333d63d2791ce3054a26e7573d8e6bd086b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.10403",
    "kind": "arxiv",
    "version": 1
  }
}