Pith Number

pith:K6H4PIDA

pith:2010:K6H4PIDAB6H4EIKWYXVTY6NI2Q

not attested not anchored not stored refs pending

How many bits does it take to track an open quantum system?

H. M. Wiseman, R. I. Karasik

arxiv:1009.2675 v1 · 2010-09-14 · 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{K6H4PIDAB6H4EIKWYXVTY6NI2Q}

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	2026-05-18T04:31:30.976889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

578fc7a0600f8fc22156c5eb3c79a8d4222e6a7b781043848714ec8d3a7367cf

Aliases

arxiv: 1009.2675 · arxiv_version: 1009.2675v1 · doi: 10.48550/arxiv.1009.2675 · pith_short_12: K6H4PIDAB6H4 · pith_short_16: K6H4PIDAB6H4EIKW · pith_short_8: K6H4PIDA

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/K6H4PIDAB6H4EIKWYXVTY6NI2Q \
  | 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: 578fc7a0600f8fc22156c5eb3c79a8d4222e6a7b781043848714ec8d3a7367cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a38d9fc88d3a6bc9b02b48ab1e1a342a8b752c7b18ddee4180c5f94b26bc38fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-09-14T14:16:19Z",
    "title_canon_sha256": "1fede2878e664bac512767a8458a19e5e88d5c40588b10189f3afee6ef0ee65b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.2675",
    "kind": "arxiv",
    "version": 1
  }
}