Pith Number

pith:OIRTHDHT

pith:2026:OIRTHDHT5J3IK6J7SKKOC2DVKB

not attested not anchored not stored refs pending

New class of exactly flat topological bands - compact localised states protected by local graph topology

Tamaghna Hazra

arxiv:2607.22831 v1 · 2026-07-24 · cond-mat.str-el · cond-mat.dis-nn · cond-mat.mtrl-sci · math-ph · math.MP · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OIRTHDHT5J3IK6J7SKKOC2DVKB}

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	2026-07-28T00:21:56.711202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7223338cf3ea7685793f9294e168755060f2eccf1b3447aef34931b41826acf6

Aliases

arxiv: 2607.22831 · arxiv_version: 2607.22831v1 · doi: 10.48550/arxiv.2607.22831 · pith_short_12: OIRTHDHT5J3I · pith_short_16: OIRTHDHT5J3IK6J7 · pith_short_8: OIRTHDHT

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/OIRTHDHT5J3IK6J7SKKOC2DVKB \
  | 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: 7223338cf3ea7685793f9294e168755060f2eccf1b3447aef34931b41826acf6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0edfcc5a23d1091a80a30d049336e2905760d3d2cf7673d89ebd5b5dc9126955",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "cond-mat.mtrl-sci",
      "math-ph",
      "math.MP",
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2026-07-24T18:14:36Z",
    "title_canon_sha256": "c16dd3799600a5a7c3076bbced8165036e291cd8a221e765f79446676aadb86b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.22831",
    "kind": "arxiv",
    "version": 1
  }
}