Pith Number

pith:HSZA7C5J

pith:2021:HSZA7C5JAKU5GBWOCHSCWDNNLM

not attested not anchored not stored refs pending

Millimeter-wave spectroscopy of the $^{13}$CH$_3$OD isotopic species of methyl alcohol

F. Lewen, H. S. P. M\"uller, K. M. Menten, Li-Hong Xu, O. Zakharenko, R. M. Lees, S. Schlemmer

arxiv:2104.14340 v1 · 2021-04-29 · astro-ph.IM · astro-ph.GA · astro-ph.SR · 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{HSZA7C5JAKU5GBWOCHSCWDNNLM}

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	2026-07-05T02:36:15.532806Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cb20f8ba902a9d306ce11e42b0dad5b28dbf9392429de9809554403ecbacb20

Aliases

arxiv: 2104.14340 · arxiv_version: 2104.14340v1 · doi: 10.48550/arxiv.2104.14340 · pith_short_12: HSZA7C5JAKU5 · pith_short_16: HSZA7C5JAKU5GBWO · pith_short_8: HSZA7C5J

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/HSZA7C5JAKU5GBWOCHSCWDNNLM \
  | 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: 3cb20f8ba902a9d306ce11e42b0dad5b28dbf9392429de9809554403ecbacb20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87c3f1dae071c6bd5428cc46f5ff3c8dc4a2f8d5b66a8c0e646bc3486fad0220",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR",
      "physics.chem-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-04-29T13:46:43Z",
    "title_canon_sha256": "8e7b32274543309ac2ed3213dfb30744a3f8484e793433ff9b5d5f02a386e5ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.14340",
    "kind": "arxiv",
    "version": 1
  }
}