Pith Number

pith:XOAA4MDT

pith:2026:XOAA4MDTFXYPZNDL4Y2OEAVR7T

not attested not anchored not stored refs pending

High solubility of water in post-perovskite and bridgmanite in the Earth's deep lower mantle

John W. Hernlund, Kei Hirose, Keisuke Ozawa, Megumi Semba, Naoya Sakamoto, Shiro Miwa, Shuhei Mita, Yutaro Tsutsumi

arxiv:2608.00039 v1 · 2026-07-23 · physics.geo-ph · astro-ph.EP · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XOAA4MDTFXYPZNDL4Y2OEAVR7T}

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	2026-08-04T00:31:49.747232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb800e30732df0fcb46be634e202b1fcd44d2ba16458acb2c6d59e87a3ea6a54

Aliases

arxiv: 2608.00039 · arxiv_version: 2608.00039v1 · doi: 10.48550/arxiv.2608.00039 · pith_short_12: XOAA4MDTFXYP · pith_short_16: XOAA4MDTFXYPZNDL · pith_short_8: XOAA4MDT

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/XOAA4MDTFXYPZNDL4Y2OEAVR7T \
  | 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: bb800e30732df0fcb46be634e202b1fcd44d2ba16458acb2c6d59e87a3ea6a54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd932df60f026f392f135bbbaa1556269b6d2344e177b5a00ca938badbbd229a",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2026-07-23T04:20:55Z",
    "title_canon_sha256": "2daf590e3e31d975bfedacc62aaa0eb0e2264d0a020070b6d1c059b7e94962b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.00039",
    "kind": "arxiv",
    "version": 1
  }
}