Pith Number

pith:L2TZNBA6

pith:2016:L2TZNBA6IZFVABZLPWYXVGA4BD

not attested not anchored not stored refs pending

Quantifying the coherence of pure quantum states

Chi-Kwong Li, Jianxin Chen, Nathaniel Johnston, Sarah Plosker, Shane Grogan

arxiv:1601.06269 v2 · 2016-01-23 · 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{L2TZNBA6IZFVABZLPWYXVGA4BD}

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	2026-05-18T01:01:28.794768Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ea796841e464b50072b7db17a981c08f1f0b8c965d9c8b746061c5822c7c5da

Aliases

arxiv: 1601.06269 · arxiv_version: 1601.06269v2 · doi: 10.48550/arxiv.1601.06269 · pith_short_12: L2TZNBA6IZFV · pith_short_16: L2TZNBA6IZFVABZL · pith_short_8: L2TZNBA6

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/L2TZNBA6IZFVABZLPWYXVGA4BD \
  | 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: 5ea796841e464b50072b7db17a981c08f1f0b8c965d9c8b746061c5822c7c5da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47fbd9e7e3de2905f7c13f87b4592ccd8ecfe9e498c733c5c9eb22b8fbe76955",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-01-23T14:23:07Z",
    "title_canon_sha256": "72b996fc28297190d522cd0d5dfcc548b7a02971856c5cc568a227b2f583b1f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.06269",
    "kind": "arxiv",
    "version": 2
  }
}