Pith Number

pith:R3JCLEDZ

pith:2019:R3JCLEDZDZPD7HHLERKBH4RHGG

not attested not anchored not stored refs pending

Investigating the use of the hydrogen cyanide (HCN) as an absorption media for laser spectroscopy

Jan Hrabina, Lenka Pravdova, Martin Cizek, Martin Hosek, Ondrej Cip, Petr Jedlicka, Simon Rerucha

arxiv:1905.07272 v1 · 2019-05-17 · physics.optics · physics.app-ph · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R3JCLEDZDZPD7HHLERKBH4RHGG}

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	2026-05-17T23:45:56.024358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ed22590791e5e3f9ceb245413f227319a29aaa69182c81ba9ad74245424198b

Aliases

arxiv: 1905.07272 · arxiv_version: 1905.07272v1 · doi: 10.48550/arxiv.1905.07272 · pith_short_12: R3JCLEDZDZPD · pith_short_16: R3JCLEDZDZPD7HHL · pith_short_8: R3JCLEDZ

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/R3JCLEDZDZPD7HHLERKBH4RHGG \
  | 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: 8ed22590791e5e3f9ceb245413f227319a29aaa69182c81ba9ad74245424198b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79122f0292608824d5afdeab0fa047dfe94b341743d99b3e28eec4b11e3ecd9e",
    "cross_cats_sorted": [
      "physics.app-ph",
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-05-17T13:51:30Z",
    "title_canon_sha256": "e997fd87a7d05af28283bacadd4c99bbce0732af9ca70d6d08ac5a5839424e28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.07272",
    "kind": "arxiv",
    "version": 1
  }
}