Pith Number

pith:DDOHBF7B

pith:2018:DDOHBF7BPM3V3HWSN5HRODOBC4

not attested not anchored not stored refs pending

Quantum phase transitions in highly crystalline two-dimensional superconductors

Tsutomu Nojima, Yoshihiro Iwasa, Yu Saito

arxiv:1804.07218 v1 · 2018-04-19 · 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{DDOHBF7BPM3V3HWSN5HRODOBC4}

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	2026-05-18T00:18:00.999661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18dc7097e17b375d9ed26f4f170dc117175ef2379dd5fe8ed4c6aed55fc8ec1b

Aliases

arxiv: 1804.07218 · arxiv_version: 1804.07218v1 · doi: 10.48550/arxiv.1804.07218 · pith_short_12: DDOHBF7BPM3V · pith_short_16: DDOHBF7BPM3V3HWS · pith_short_8: DDOHBF7B

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/DDOHBF7BPM3V3HWSN5HRODOBC4 \
  | 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: 18dc7097e17b375d9ed26f4f170dc117175ef2379dd5fe8ed4c6aed55fc8ec1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7c1ec0bb359f212315276953e798808e99a578deb7f18352d7097593b463316",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2018-04-19T15:13:17Z",
    "title_canon_sha256": "cc8148d6d6e1c8625c2991f1d18ef575ded601bcda485831efcfdfe09835034a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.07218",
    "kind": "arxiv",
    "version": 1
  }
}