Pith Number

pith:2VJ3VM3B

pith:2014:2VJ3VM3BMIKCQ5UU73B5WYNURM

not attested not anchored not stored refs pending

Alternation in Quantum Programming: From Superposition of Data to Superposition of Programs

Mingsheng Ying, Nengkun Yu, Yuan Feng

arxiv:1402.5172 v1 · 2014-02-20 · cs.PL · cs.LO · 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{2VJ3VM3BMIKCQ5UU73B5WYNURM}

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	2026-05-18T02:58:22.925860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d553bab3616214287694fec3db61b48b2bb7e62c801762d7d700eb389a41fa62

Aliases

arxiv: 1402.5172 · arxiv_version: 1402.5172v1 · doi: 10.48550/arxiv.1402.5172 · pith_short_12: 2VJ3VM3BMIKC · pith_short_16: 2VJ3VM3BMIKCQ5UU · pith_short_8: 2VJ3VM3B

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/2VJ3VM3BMIKCQ5UU73B5WYNURM \
  | 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: d553bab3616214287694fec3db61b48b2bb7e62c801762d7d700eb389a41fa62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a738eccb1d19078181fb56bed06d3db70c1a4764ae8330a18bdc5cef6b85a83c",
    "cross_cats_sorted": [
      "cs.LO",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2014-02-20T23:35:58Z",
    "title_canon_sha256": "fff45732a844cdf2ba556ebe0c4452fff77d8a4704c4b4d5bc71aeea2cb78a48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.5172",
    "kind": "arxiv",
    "version": 1
  }
}