Pith Number

pith:BZSR7MH7

pith:2017:BZSR7MH7ZXUT2JVZMTSL7HXGOA

not attested not anchored not stored refs pending

Convex roof measures of coherence

Heng Fan, Yi Peng

arxiv:1703.09381 v2 · 2017-03-28 · 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{BZSR7MH7ZXUT2JVZMTSL7HXGOA}

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	2026-05-18T00:46:55.025169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e651fb0ffcde93d26b964e4bf9ee670152f40bea10877ad9965f6a8598fd2cd

Aliases

arxiv: 1703.09381 · arxiv_version: 1703.09381v2 · doi: 10.48550/arxiv.1703.09381 · pith_short_12: BZSR7MH7ZXUT · pith_short_16: BZSR7MH7ZXUT2JVZ · pith_short_8: BZSR7MH7

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/BZSR7MH7ZXUT2JVZMTSL7HXGOA \
  | 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: 0e651fb0ffcde93d26b964e4bf9ee670152f40bea10877ad9965f6a8598fd2cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "791cbc31cdbc65ef283e295eb902d5d07a56b1aa5338931dbd046539956914c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-03-28T03:08:28Z",
    "title_canon_sha256": "109b49dc68e1424e19ef86a501ac28a05e43cb02f8a44f1cfb18f72966c43c15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.09381",
    "kind": "arxiv",
    "version": 2
  }
}