Pith Number

pith:UZ2ZTTWI

pith:2021:UZ2ZTTWI6A44IE4CA7XLWVWXSR

not attested not anchored not stored refs pending

Probing the atmospheric precipitable water vapor with SOFIA, Part I, Measurements of the water vapor overburden with FIFI-LS

(2) USRA SOFIA, A. Krabbe (1) ((1) Deutsches SOFIA Institut, CA 94035-1000, C. Fischer (1), C. Iserlohe (1), D-70569 Stuttgart, D. Fadda (2), Germany, Moffett Field, MS N232-12, NASA Ames Research Center, N. Fischer (1), Pfaffenwaldring 29, S. Colditz (1), University of Stuttgart, USA), W. Vacca (2)

arxiv:2103.16616 v1 · 2021-03-30 · 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{UZ2ZTTWI6A44IE4CA7XLWVWXSR}

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	2026-07-05T02:33:32.080764Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a67599cec8f039c4138207eebb56d79465745d834d6282d22ecf4253a9788a8b

Aliases

arxiv: 2103.16616 · arxiv_version: 2103.16616v1 · doi: 10.48550/arxiv.2103.16616 · pith_short_12: UZ2ZTTWI6A44 · pith_short_16: UZ2ZTTWI6A44IE4C · pith_short_8: UZ2ZTTWI

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/UZ2ZTTWI6A44IE4CA7XLWVWXSR \
  | 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: a67599cec8f039c4138207eebb56d79465745d834d6282d22ecf4253a9788a8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38ffc3d92c03248779bca3bab54cd1d1b19c57b462d50358504aa2b43a96dfb0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-03-30T18:39:43Z",
    "title_canon_sha256": "5ff589fdf2b79ae8cc4611a47080b88b10eef71f58c73d3af3e8454e2237a0ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.16616",
    "kind": "arxiv",
    "version": 1
  }
}