Pith Number

pith:R37XHDG2

pith:2025:R37XHDG2IECDTTQEU3VGD64A2Y

not attested not anchored not stored refs pending

PRODIGE - envelope to disk with NOEMA: V. Low 12C/13C ratios for CH3OH and CH3CN in hot corinos

A. Fuente, C. Gieser, D. M. Segura-Cox, D. Semenov, J. E. Pineda, J. J. Miranzo-Pastor, L. A. Busch, L. Bouscasse, L. Colzi, M. J. Maureira, M. Tafalla, M. T. Valdivia-Mena, O. Sipil\"a, P. Caselli, S. Guilloteau, Th. Henning, T.-H. Hsieh, Y.-R. Chou

arxiv:2505.21307 v1 · 2025-05-27 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R37XHDG2IECDTTQEU3VGD64A2Y}

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	2026-07-05T11:41:24.939373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8eff738cda410439ce04a6ea61fb80d6020b9fe4f008844d4415155fe480c758

Aliases

arxiv: 2505.21307 · arxiv_version: 2505.21307v1 · doi: 10.48550/arxiv.2505.21307 · pith_short_12: R37XHDG2IECD · pith_short_16: R37XHDG2IECDTTQE · pith_short_8: R37XHDG2

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/R37XHDG2IECDTTQEU3VGD64A2Y \
  | 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: 8eff738cda410439ce04a6ea61fb80d6020b9fe4f008844d4415155fe480c758

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f35d42c27d9742f8227d4fe320a2bf13a62f33fc08c87e2c9d3077bdc35c1e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-05-27T15:07:05Z",
    "title_canon_sha256": "fcc50ea30fbe4c585896c7216c6d5626687849f2f6c4cf7bddebd27eae431b3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.21307",
    "kind": "arxiv",
    "version": 1
  }
}