Pith Number

pith:MWTFMZTM

pith:2015:MWTFMZTMP6KSWY6ELAXHXYPHXL

not attested not anchored not stored refs pending

Molecular depletion times and the CO-to-H2 conversion factor in metal-poor galaxies

A. Lundgren, A. Weiss, C. Henkel, F. Combes, K.M. Menten, L.K. Hunt, L. Testi, P. Caselli, R. Maiolino, S. Garcia-Burillo, V. Casasola

arxiv:1509.04870 v1 · 2015-09-16 · 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{MWTFMZTMP6KSWY6ELAXHXYPHXL}

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	2026-05-18T01:28:02.932477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65a656666c7f952b63c4582e7be1e7bad5e318cd4bd4aff2bd7316025054544a

Aliases

arxiv: 1509.04870 · arxiv_version: 1509.04870v1 · doi: 10.48550/arxiv.1509.04870 · pith_short_12: MWTFMZTMP6KS · pith_short_16: MWTFMZTMP6KSWY6E · pith_short_8: MWTFMZTM

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/MWTFMZTMP6KSWY6ELAXHXYPHXL \
  | 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: 65a656666c7f952b63c4582e7be1e7bad5e318cd4bd4aff2bd7316025054544a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "448c121bf9e4bd40b94f5dc605218a1361dbd0d162f6d13b335a331e5d602e84",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-09-16T09:59:56Z",
    "title_canon_sha256": "4480d27b1b1c819b1a00ec9c3e6c3b1f623ea203594cde5c1165582bd9bfee12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.04870",
    "kind": "arxiv",
    "version": 1
  }
}