Pith Number

pith:5PRCRANQ

pith:2017:5PRCRANQ3ERGJZMR5WDXUASVP4

not attested not anchored not stored refs pending

A compositional approach to quantum functions

Benjamin Musto, David Reutter, Dominic Verdon

arxiv:1711.07945 v2 · 2017-11-21 · quant-ph · math.CT · math.QA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5PRCRANQ3ERGJZMR5WDXUASVP4}

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	2026-05-18T00:06:25.373516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebe22881b0d92264e591ed877a02557f3f87999538c498e2a7e26543892a7dfb

Aliases

arxiv: 1711.07945 · arxiv_version: 1711.07945v2 · doi: 10.48550/arxiv.1711.07945 · pith_short_12: 5PRCRANQ3ERG · pith_short_16: 5PRCRANQ3ERGJZMR · pith_short_8: 5PRCRANQ

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/5PRCRANQ3ERGJZMR5WDXUASVP4 \
  | 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: ebe22881b0d92264e591ed877a02557f3f87999538c498e2a7e26543892a7dfb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b23d211fcd0dd8d41eeda046806039927ef2a3de967f7a8e63976475a801a090",
    "cross_cats_sorted": [
      "math.CT",
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-11-21T18:17:19Z",
    "title_canon_sha256": "8ea5445c9c59412f4a03cab53a80721c950c5e009755625dc0f310228de549af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.07945",
    "kind": "arxiv",
    "version": 2
  }
}