Pith Number

pith:MURVS4LT

pith:2026:MURVS4LT23CGDNDTPYVQCLAFVJ

not attested not anchored not stored refs pending

End-to-end differentiable retrieval of molecular spectra using hydrodynamics, chemistry, and radiative transfer

G. Vermari\"en, J.E. Pineda, P. Caselli, S. Bovino, S. Spezzano, T. Grassi

arxiv:2607.28727 v1 · 2026-07-30 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MURVS4LT23CGDNDTPYVQCLAFVJ}

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	2026-08-03T00:12:29.079346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6523597173d6c461b4737e2b012c05aa7adc083163c3637e6381a2d98ae88c50

Aliases

arxiv: 2607.28727 · arxiv_version: 2607.28727v1 · doi: 10.48550/arxiv.2607.28727 · pith_short_12: MURVS4LT23CG · pith_short_16: MURVS4LT23CGDNDT · pith_short_8: MURVS4LT

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/MURVS4LT23CGDNDTPYVQCLAFVJ \
  | 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: 6523597173d6c461b4737e2b012c05aa7adc083163c3637e6381a2d98ae88c50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58c600028513df16e89d049393ca496ed96494f919d3215aa1d0bb158af36a04",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-07-30T18:00:02Z",
    "title_canon_sha256": "0b360f81e73dc94b5549a35f0e6602016804a4a4b4e04e250272034bd84a7caa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.28727",
    "kind": "arxiv",
    "version": 1
  }
}