Pith Number

pith:LTIUOJHX

pith:2016:LTIUOJHXCC5ZT3UYP5324POJT2

not attested not anchored not stored refs pending

Symmetry Protected Topological Hopf Insulator and its Generalizations

Cenke Xu, Chunxiao Liu, Farzan Vafa

arxiv:1612.04905 v1 · 2016-12-15 · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LTIUOJHXCC5ZT3UYP5324POJT2}

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	2026-05-18T00:45:14.695641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5cd14724f710bb99ee987f77ae3dc99eb71eb89eaba153bdf24bbb1a3e841963

Aliases

arxiv: 1612.04905 · arxiv_version: 1612.04905v1 · doi: 10.48550/arxiv.1612.04905 · pith_short_12: LTIUOJHXCC5Z · pith_short_16: LTIUOJHXCC5ZT3UY · pith_short_8: LTIUOJHX

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/LTIUOJHXCC5ZT3UYP5324POJT2 \
  | 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: 5cd14724f710bb99ee987f77ae3dc99eb71eb89eaba153bdf24bbb1a3e841963

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55de828b1dc56e6e5bd70928645b82a6afc8a66c4a045c5d09dd42fa6d84e3ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2016-12-15T02:02:47Z",
    "title_canon_sha256": "398aae57941e8c434d2aee6f87e749d0d0c6830b8f310755fecd72088c946934"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.04905",
    "kind": "arxiv",
    "version": 1
  }
}