Pith Number

pith:RR7T6W76

pith:2026:RR7T6W76O5UEDTBRZS6NKUCWBF

not attested not anchored not stored refs pending

Subsoil acidity causes long delays in inorganic carbon sequestration by Enhanced Weathering

Dieke Postma, Majken Looms, Per Ambus, Rasmus Jakobsen, S{\o}ren Jessen

arxiv:2607.01835 v1 · 2026-07-02 · physics.geo-ph · physics.soc-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{RR7T6W76O5UEDTBRZS6NKUCWBF}

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	2026-07-03T01:17:31.230394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c7f3f5bfe776841cc31ccbcd550560946b1192c1d40a265d5a097fcc7d56c2c

Aliases

arxiv: 2607.01835 · arxiv_version: 2607.01835v1 · doi: 10.48550/arxiv.2607.01835 · pith_short_12: RR7T6W76O5UE · pith_short_16: RR7T6W76O5UEDTBR · pith_short_8: RR7T6W76

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/RR7T6W76O5UEDTBRZS6NKUCWBF \
  | 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: 8c7f3f5bfe776841cc31ccbcd550560946b1192c1d40a265d5a097fcc7d56c2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfb39466800944d9a3f83ee4a5d632f7074d37a052c7f8abc4b27dbea7825c42",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2026-07-02T07:56:28Z",
    "title_canon_sha256": "7f7b3a70d4413cc10b03ce740bd0049b133dd49bef350625f9f2e3cf230bf7cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.01835",
    "kind": "arxiv",
    "version": 1
  }
}