Pith Number

pith:QTG5FSBF

pith:2021:QTG5FSBFMZOSYID2AWENH6IXRL

not attested not anchored not stored refs pending

Extraction of physically meaningful endmembers from STEM spectrum-images combining geometrical and statistical approaches

Axel Lubk, Pavel Potapov

arxiv:2105.10416 v1 · 2021-05-21 · physics.data-an · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QTG5FSBFMZOSYID2AWENH6IXRL}

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	2026-07-05T02:42:11.270589Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84cdd2c825665d2c207a0588d3f9178acfca1aeb8acd751b014876923716a056

Aliases

arxiv: 2105.10416 · arxiv_version: 2105.10416v1 · doi: 10.48550/arxiv.2105.10416 · pith_short_12: QTG5FSBFMZOS · pith_short_16: QTG5FSBFMZOSYID2 · pith_short_8: QTG5FSBF

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/QTG5FSBFMZOSYID2AWENH6IXRL \
  | 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: 84cdd2c825665d2c207a0588d3f9178acfca1aeb8acd751b014876923716a056

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a949dfa80ad1935c31ac2232b630c9edec4d6cc8cb12c506e2aa08b3a54b42f6",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2021-05-21T15:35:49Z",
    "title_canon_sha256": "719c8c45a101b14cff77d886dc47b9ee26f31df53a3b7d7b6ae47ea6307993f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.10416",
    "kind": "arxiv",
    "version": 1
  }
}