Pith Number

pith:QXSRKPBP

pith:2017:QXSRKPBP5E35BFKP2SURMGY6SW

not attested not anchored not stored refs pending

Probing a divergent van Hove singularity of graphene with a Ca$_2$N support: a layered electride as a solid-state dopant

2), (2) National Institute for Materials Science, (3) Tohoku University), Hideo Hosono (1) ((1) Tokyo Institute of Technology, Masaru Tsukada (3), Susumu Saito (1), Takeshi Inoshita (1

arxiv:1708.01048 v1 · 2017-08-03 · 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{QXSRKPBP5E35BFKP2SURMGY6SW}

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	2026-05-18T00:27:46.083807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85e5153c2fe937d0954fd4a9161b1e95a48c079da9fc2ad957a49b93f8e8d98a

Aliases

arxiv: 1708.01048 · arxiv_version: 1708.01048v1 · doi: 10.48550/arxiv.1708.01048 · pith_short_12: QXSRKPBP5E35 · pith_short_16: QXSRKPBP5E35BFKP · pith_short_8: QXSRKPBP

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/QXSRKPBP5E35BFKP2SURMGY6SW \
  | 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: 85e5153c2fe937d0954fd4a9161b1e95a48c079da9fc2ad957a49b93f8e8d98a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21a2fa37bd81e20eaaa2bf32eb9ef1f8546fd26598f16b307388b9ae4dbf6379",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2017-08-03T08:35:24Z",
    "title_canon_sha256": "61d717d4f43ff30469bbb365b72eeb8be54dc14af534498861a80210ad23f04a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.01048",
    "kind": "arxiv",
    "version": 1
  }
}