Pith Number

pith:Q4ZCRQDS

pith:2021:Q4ZCRQDSMMFCM46Q2TYOF4RYT6

not attested not anchored not stored refs pending

Classical Codes and Chiral CFTs at Higher Genus

Ashish Kakkar, Brian McPeak, Johan Henriksson

arxiv:2112.05168 v2 · 2021-12-09 · hep-th · 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{Q4ZCRQDSMMFCM46Q2TYOF4RYT6}

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	2026-07-05T04:29:52.592215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

873228c072630a2673d0d4f0e2f2389f9d1ee6c5b61f056fbba2fef0f6eac9a4

Aliases

arxiv: 2112.05168 · arxiv_version: 2112.05168v2 · doi: 10.48550/arxiv.2112.05168 · pith_short_12: Q4ZCRQDSMMFC · pith_short_16: Q4ZCRQDSMMFCM46Q · pith_short_8: Q4ZCRQDS

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/Q4ZCRQDSMMFCM46Q2TYOF4RYT6 \
  | 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: 873228c072630a2673d0d4f0e2f2389f9d1ee6c5b61f056fbba2fef0f6eac9a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9c2f22a28763d8bb4087492519e376cae11b9bec8b705a503a01f326da8f6e7",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2021-12-09T19:00:04Z",
    "title_canon_sha256": "4fc2adfae368e1421b04becde4821c6c8fff518b46b84daae129d0259adb433b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.05168",
    "kind": "arxiv",
    "version": 2
  }
}