Pith Number

pith:C34JYNGW

pith:2012:C34JYNGW76CH4KBDAVV4QLVQ3A

not attested not anchored not stored refs pending

Determination of the best optimal estimation parameters for validation of infrared hyperspectral sounding retrievals

Xavier Calbet

arxiv:1205.3012 v1 · 2012-05-14 · physics.ao-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{C34JYNGW76CH4KBDAVV4QLVQ3A}

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	2026-05-18T03:55:45.480620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16f89c34d6ff847e2823056bc82eb0d81eba88bccfd8f37791bf05b82809f6a7

Aliases

arxiv: 1205.3012 · arxiv_version: 1205.3012v1 · doi: 10.48550/arxiv.1205.3012 · pith_short_12: C34JYNGW76CH · pith_short_16: C34JYNGW76CH4KBD · pith_short_8: C34JYNGW

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/C34JYNGW76CH4KBDAVV4QLVQ3A \
  | 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: 16f89c34d6ff847e2823056bc82eb0d81eba88bccfd8f37791bf05b82809f6a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ef26da3f6cd423a5cad3c2bb31fe8ba7edffd2100e2aa571fd6a80b0414db4a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2012-05-14T13:19:31Z",
    "title_canon_sha256": "d5ca020c0ab0e6e9e1a8ecfc18fbd8b5c20affcc7a04cdfcdd4d7a7161f76812"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.3012",
    "kind": "arxiv",
    "version": 1
  }
}