Pith Number

pith:EPJ2Y5AC

pith:2026:EPJ2Y5AC3BFPTN52I3CWNEQB2Z

not attested not anchored not stored refs pending

Measurement and assignment of $\it{J}$ $\geq$ 10 rotational energy levels in the 9510 to 9810 cm$^{-1}$ and 6590 to 6900 cm$^{-1}$ ranges of methane using optical frequency comb double-resonance spectroscopy

Adrian Hj\"alt\'en, Aleksandra Foltynowicz, Isak Silander, Kevin K. Lehmann, Michael Rey, Vinicius Silva de Oliveira, Yuan Cao

arxiv:2607.12932 v1 · 2026-07-14 · 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{EPJ2Y5AC3BFPTN52I3CWNEQB2Z}

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	2026-07-15T01:22:25.976474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23d3ac7402d84af9b7ba46c5669201d64f7ea7a59acca1da4f9cd624a20781da

Aliases

arxiv: 2607.12932 · arxiv_version: 2607.12932v1 · doi: 10.48550/arxiv.2607.12932 · pith_short_12: EPJ2Y5AC3BFP · pith_short_16: EPJ2Y5AC3BFPTN52 · pith_short_8: EPJ2Y5AC

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/EPJ2Y5AC3BFPTN52I3CWNEQB2Z \
  | 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: 23d3ac7402d84af9b7ba46c5669201d64f7ea7a59acca1da4f9cd624a20781da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "157e0c1abdf9a1a231693c1622fb84fa8c68a80e3e17de5aa6a6675a6ea272b0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2026-07-14T16:05:12Z",
    "title_canon_sha256": "4d36374ccdad75af5733ed581ad6f3cccce0f9eb280b31691d1aecbda67c94ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.12932",
    "kind": "arxiv",
    "version": 1
  }
}