Pith Number

pith:LFHL3FTI

pith:2015:LFHL3FTI3DK6ME7GJ6W7W76P36

not attested not anchored not stored refs pending

Rotational spectra of N$_2^+$: An advanced undergraduate laboratory in atomic and molecular spectroscopy

M.V. Freamat, P.T. Arndt, S.B. Bayram

arxiv:1504.05510 v4 · 2015-04-21 · physics.ed-ph · physics.atom-ph · physics.chem-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{LFHL3FTI3DK6ME7GJ6W7W76P36}

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	2026-05-18T01:28:56.638305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

594ebd9668d8d5e613e64fadfb7fcfdf865919cf16435656d3b3f51b35a048ea

Aliases

arxiv: 1504.05510 · arxiv_version: 1504.05510v4 · doi: 10.48550/arxiv.1504.05510 · pith_short_12: LFHL3FTI3DK6 · pith_short_16: LFHL3FTI3DK6ME7G · pith_short_8: LFHL3FTI

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/LFHL3FTI3DK6ME7GJ6W7W76P36 \
  | 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: 594ebd9668d8d5e613e64fadfb7fcfdf865919cf16435656d3b3f51b35a048ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a05e6f8c5503230c52ef3c663c968877845792907c6daaed90f439febb6f24ce",
    "cross_cats_sorted": [
      "physics.atom-ph",
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2015-04-21T16:54:46Z",
    "title_canon_sha256": "07045464078ed1b0535adf27e4410617909c199b9da6cfa4b69ab48fec744fd1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05510",
    "kind": "arxiv",
    "version": 4
  }
}