Pith Number

pith:QTZHMMCT

pith:2024:QTZHMMCTF2KVDMUPBLFKSSHPGW

not attested not anchored not stored refs pending

Continuous-time state-space methods for delta-O-18 and delta-C-13

Eric Hillebrand, Kathrine By Larsen, Mikkel Bennedsen, Siem Jan Koopman

arxiv:2404.05401 v2 · 2024-04-08 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QTZHMMCTF2KVDMUPBLFKSSHPGW}

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	2026-06-23T03:13:43.245653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84f27630532e9551b28f0acaa948ef359d5f42baa2585039480bcfb362695eb0

Aliases

arxiv: 2404.05401 · arxiv_version: 2404.05401v2 · doi: 10.48550/arxiv.2404.05401 · pith_short_12: QTZHMMCTF2KV · pith_short_16: QTZHMMCTF2KVDMUP · pith_short_8: QTZHMMCT

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/QTZHMMCTF2KVDMUPBLFKSSHPGW \
  | 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: 84f27630532e9551b28f0acaa948ef359d5f42baa2585039480bcfb362695eb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee73a3ee83f6479d4e2b757fb832217fbf7133b9134888e1278ffa0816452619",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2024-04-08T11:00:19Z",
    "title_canon_sha256": "09eafcaa49a71ec50f2f50dc25b820cb822fb45840882181295c53c9b6fe5b40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.05401",
    "kind": "arxiv",
    "version": 2
  }
}