Pith Number

pith:4KKQ3GPT

pith:2021:4KKQ3GPTLURNEH5UZ62PACA7AZ

not attested not anchored not stored refs pending

Systematic studies of rubidium-exposed surfaces by X-ray photoelectron spectroscopy and light-induced atom desorption

Atsushi Hatakeyama, Ayumi Yamaguchi, Emilio Mariotti, Hiroyuki Usui, Ken-ichi Harada, Ko Kato, Sae Watashima, Tomohiro Ikeno, Yasuhiro Sakemi

arxiv:2105.14451 v1 · 2021-05-30 · physics.atom-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4KKQ3GPTLURNEH5UZ62PACA7AZ}

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	2026-07-05T02:44:24.055927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2950d99f35d22d21fb4cfb4f0081f06534bc285b2e12e76b484a14480d62c88

Aliases

arxiv: 2105.14451 · arxiv_version: 2105.14451v1 · doi: 10.48550/arxiv.2105.14451 · pith_short_12: 4KKQ3GPTLURN · pith_short_16: 4KKQ3GPTLURNEH5U · pith_short_8: 4KKQ3GPT

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/4KKQ3GPTLURNEH5UZ62PACA7AZ \
  | 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: e2950d99f35d22d21fb4cfb4f0081f06534bc285b2e12e76b484a14480d62c88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbec19000c59add867716fef74a2bec58c01e7718b3c7f351a158a533c659c22",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2021-05-30T07:44:07Z",
    "title_canon_sha256": "5e764cd56f2570fe00891c9bfe876ecffcb972f21e26a9105cb27a90bcdc87e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.14451",
    "kind": "arxiv",
    "version": 1
  }
}