Pith Number

pith:GQ3YD6VR

pith:2016:GQ3YD6VRJW25UUQB232JQ577W4

not attested not anchored not stored refs pending

The surface code with a twist

Isaac H. Kim, Theodore J. Yoder

arxiv:1612.04795 v2 · 2016-12-14 · 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{GQ3YD6VRJW25UUQB232JQ577W4}

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	2026-05-18T00:45:44.022788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

343781fab14db5da5201d6f49877ffb723e806413eecbc2612634aa6fc862b93

Aliases

arxiv: 1612.04795 · arxiv_version: 1612.04795v2 · doi: 10.48550/arxiv.1612.04795 · pith_short_12: GQ3YD6VRJW25 · pith_short_16: GQ3YD6VRJW25UUQB · pith_short_8: GQ3YD6VR

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/GQ3YD6VRJW25UUQB232JQ577W4 \
  | 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: 343781fab14db5da5201d6f49877ffb723e806413eecbc2612634aa6fc862b93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4f0d688ec605f850d4fa95eb0292b106ca0ad6600c9584efb0377d99507dab6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-12-14T20:25:03Z",
    "title_canon_sha256": "ddf0c7ee2ec18ab9e3ec9c4cb4eed4fbac145b310393c56c21decb71510994db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.04795",
    "kind": "arxiv",
    "version": 2
  }
}