Pith Number

pith:27UKSSUU

pith:2013:27UKSSUU2ALJT2PVEYQFZ5GRTC

not attested not anchored not stored refs pending

Statistical significance of rising and oscillatory trends in global ocean and land temperature in the past 160 years

Kristoffer Rypdal, Lene {\O}stvand, Martin Rypdal

arxiv:1307.6991 v1 · 2013-07-26 · physics.ao-ph · physics.geo-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{27UKSSUU2ALJT2PVEYQFZ5GRTC}

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	2026-05-18T03:17:25.587446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7e8a94a94d01699e9f526205cf4d198860ab55aacaa68ca8b6a6b477c6ad86d

Aliases

arxiv: 1307.6991 · arxiv_version: 1307.6991v1 · doi: 10.48550/arxiv.1307.6991 · pith_short_12: 27UKSSUU2ALJ · pith_short_16: 27UKSSUU2ALJT2PV · pith_short_8: 27UKSSUU

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/27UKSSUU2ALJT2PVEYQFZ5GRTC \
  | 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: d7e8a94a94d01699e9f526205cf4d198860ab55aacaa68ca8b6a6b477c6ad86d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf2bc4f5816aa7257551d467cb823b7519ebdcec85180afb4915b963a1d42fb7",
    "cross_cats_sorted": [
      "physics.geo-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2013-07-26T10:51:15Z",
    "title_canon_sha256": "5f1c51299e353a9300e9d37684c4bdfa5d6927fd654a5921e676af79e20313b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.6991",
    "kind": "arxiv",
    "version": 1
  }
}