Pith Number

pith:QGGTBPQR

pith:2012:QGGTBPQR6KGAIWOXLTG4D7SA4A

not attested not anchored not stored refs pending

Quantum algorithms for problems in number theory, algebraic geometry, and group theory

Wim van Dam, Yoshitaka Sasaki

arxiv:1206.6126 v1 · 2012-06-26 · 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{QGGTBPQR6KGAIWOXLTG4D7SA4A}

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	2026-05-18T00:37:37.614524Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

818d30be11f28c0459d75ccdc1fe40e005bbe02e212f33e087e76df1f6e9d8d8

Aliases

arxiv: 1206.6126 · arxiv_version: 1206.6126v1 · doi: 10.48550/arxiv.1206.6126 · pith_short_12: QGGTBPQR6KGA · pith_short_16: QGGTBPQR6KGAIWOX · pith_short_8: QGGTBPQR

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/QGGTBPQR6KGAIWOXLTG4D7SA4A \
  | 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: 818d30be11f28c0459d75ccdc1fe40e005bbe02e212f33e087e76df1f6e9d8d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4282cd7c5cb0952b53a79010d7ce8ca8d81ba2bd1d4271d206aa98fb6f004db0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-06-26T21:35:44Z",
    "title_canon_sha256": "1c85b3fb47c420e44794ba47c54c42104b4f6b48caa4ef8a21c1fef9473ad50e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.6126",
    "kind": "arxiv",
    "version": 1
  }
}