Pith Number

pith:QTAKNYDX

pith:2014:QTAKNYDXCNLOPU3ZNZNVJSZDGH

not attested not anchored not stored refs pending

Ice thickness measurements by Raman scattering

Alexey F. Bunkin, Renat N. Yulmetov, Sergey M. Pershin, Vasily N. Lednev, Vladimir K. Klinkov

arxiv:1404.4752 v1 · 2014-04-18 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QTAKNYDXCNLOPU3ZNZNVJSZDGH}

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	2026-05-18T01:43:28.538974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84c0a6e0771356e7d3796e5b54cb2331fa78a04278b1fd421cdca5aa676083ec

Aliases

arxiv: 1404.4752 · arxiv_version: 1404.4752v1 · doi: 10.48550/arxiv.1404.4752 · pith_short_12: QTAKNYDXCNLO · pith_short_16: QTAKNYDXCNLOPU3Z · pith_short_8: QTAKNYDX

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/QTAKNYDXCNLOPU3ZNZNVJSZDGH \
  | 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: 84c0a6e0771356e7d3796e5b54cb2331fa78a04278b1fd421cdca5aa676083ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea751b1c25396fe18425322f14021fc1fbd7a559baaa407f889526cede3198aa",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-04-18T11:41:31Z",
    "title_canon_sha256": "32a925989c1ffbd57121869200863a307db7c72ab1472c6f6a28c6c243fbac83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.4752",
    "kind": "arxiv",
    "version": 1
  }
}