Pith Number

pith:QJ4DN2GO

pith:2021:QJ4DN2GOAYZCT5XXZMRZRUM3OI

not attested not anchored not stored refs pending

Any Axion Insulator Must be a Bulk Three-Dimensional Topological Insulator

A. Coschizza, A. Fothergill, C. Gould, K. Brunner, K. M. Fijalkowski, L. W. Molenkamp, M. Greiter, M. Hartl, M. Winnerlein, N. Liu, P. Mandal, R. Thomale, S. Grauer, S. Schreyeck

arxiv:2105.09608 v1 · 2021-05-20 · cond-mat.mes-hall · cond-mat.other · 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{QJ4DN2GOAYZCT5XXZMRZRUM3OI}

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	2026-07-05T02:47:36.841614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

827836e8ce063229f6f7cb2398d19b7208548983fe8418e762944e0c4ca69133

Aliases

arxiv: 2105.09608 · arxiv_version: 2105.09608v1 · doi: 10.48550/arxiv.2105.09608 · pith_short_12: QJ4DN2GOAYZC · pith_short_16: QJ4DN2GOAYZCT5XX · pith_short_8: QJ4DN2GO

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/QJ4DN2GOAYZCT5XXZMRZRUM3OI \
  | 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: 827836e8ce063229f6f7cb2398d19b7208548983fe8418e762944e0c4ca69133

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a89eb61f3d584c1c6d8a3edb058b3e11570afb5786797da30042c2bc72ca2fb",
    "cross_cats_sorted": [
      "cond-mat.other",
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2021-05-20T09:03:53Z",
    "title_canon_sha256": "caeca2eddea3720e1f0756ce8928951a534d35c68b1f0a4f240e26799bb0b27e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.09608",
    "kind": "arxiv",
    "version": 1
  }
}