Pith Number

pith:SPXM6AVK

pith:2026:SPXM6AVKDMS6T5XMGL53B5ND7W

not attested not anchored not stored refs pending

Room-Temperature Calcium Intercalation into Graphite Catalyzed by Sodium

Akira Iyo, Hiraku Ogino, Hiroshi Eisaki, Kenji Kawashima, Shigeyuki Ishida

arxiv:2606.19024 v1 · 2026-06-17 · cond-mat.supr-con · 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{SPXM6AVKDMS6T5XMGL53B5ND7W}

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	2026-06-19T16:11:54.792285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93eecf02aa1b25e9f6ec32fbb0f5a3fdb7452d9b7b99418067fad52ba78fe603

Aliases

arxiv: 2606.19024 · arxiv_version: 2606.19024v1 · doi: 10.48550/arxiv.2606.19024 · pith_short_12: SPXM6AVKDMS6 · pith_short_16: SPXM6AVKDMS6T5XM · pith_short_8: SPXM6AVK

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/SPXM6AVKDMS6T5XMGL53B5ND7W \
  | 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: 93eecf02aa1b25e9f6ec32fbb0f5a3fdb7452d9b7b99418067fad52ba78fe603

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ba7fa8fabba28d334dca3415d726246efeb284a5c08301bf58ed28c9dde8aef",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2026-06-17T12:49:57Z",
    "title_canon_sha256": "a128d0477621eb24bfb3b19801006040779f19a4fe1d61d7f0b7839bd6822073"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.19024",
    "kind": "arxiv",
    "version": 1
  }
}