Pith Number

pith:62C7DGJT

pith:2019:62C7DGJTNB5B4CQQOROMTNBZ5V

not attested not anchored not stored refs pending

Optimal principal component Analysis of STEM XEDS spectrum images

Axel Lubk, Pavel Potapov

arxiv:1910.06781 v1 · 2019-10-14 · eess.IV · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{62C7DGJTNB5B4CQQOROMTNBZ5V}

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	2026-07-05T00:12:15.174638Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f685f19933687a1e0a10745cc9b439ed660d23d2759de653d179da8c9f648082

Aliases

arxiv: 1910.06781 · arxiv_version: 1910.06781v1 · doi: 10.48550/arxiv.1910.06781 · pith_short_12: 62C7DGJTNB5B · pith_short_16: 62C7DGJTNB5B4CQQ · pith_short_8: 62C7DGJT

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/62C7DGJTNB5B4CQQOROMTNBZ5V \
  | 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: f685f19933687a1e0a10745cc9b439ed660d23d2759de653d179da8c9f648082

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53962cc3ac067c87ebb0e57bd86911fc4773e8f8bdd3ed0beeb7cbe442ede8e0",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-10-14T08:43:19Z",
    "title_canon_sha256": "ae37eebbbe16ef68c38a76bcb43487f356f391b25f95cdbf818385368925fe29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.06781",
    "kind": "arxiv",
    "version": 1
  }
}