Pith Number

pith:EH43EAW6

pith:2013:EH43EAW6YAH54LK36GXH4AW4SH

not attested not anchored not stored refs pending

Quipper: A Scalable Quantum Programming Language

Alexander S. Green, Beno\^it Valiron, Neil J. Ross, Peter LeFanu Lumsdaine, Peter Selinger

arxiv:1304.3390 v1 · 2013-04-11 · cs.PL · cs.ET · 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{EH43EAW6YAH54LK36GXH4AW4SH}

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	2026-05-18T03:19:13.039432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21f9b202dec00fde2d5bf1ae7e02dc91f1637945c35aad1c80d9632a6c61f07d

Aliases

arxiv: 1304.3390 · arxiv_version: 1304.3390v1 · doi: 10.48550/arxiv.1304.3390 · pith_short_12: EH43EAW6YAH5 · pith_short_16: EH43EAW6YAH54LK3 · pith_short_8: EH43EAW6

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/EH43EAW6YAH54LK36GXH4AW4SH \
  | 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: 21f9b202dec00fde2d5bf1ae7e02dc91f1637945c35aad1c80d9632a6c61f07d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "deaf5f8db7baa4c8078841db7e9c3cd4fe91c8d0f69aa560dd7224fb816d7446",
    "cross_cats_sorted": [
      "cs.ET",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2013-04-11T18:28:16Z",
    "title_canon_sha256": "748658c18ff71208506c0861aa4bb0313c19a3dca1af4ce1fdf127a228781acf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.3390",
    "kind": "arxiv",
    "version": 1
  }
}