Pith Number

pith:VO34WK2G

pith:2014:VO34WK2G5Z475WZCFN3ZEDGRG6

not attested not anchored not stored refs pending

Characterizations of all-derivable points in $B(H)$

Changping Xiong, Jun Zhu, Pan Li

arxiv:1405.4455 v1 · 2014-05-18 · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VO34WK2G5Z475WZCFN3ZEDGRG6}

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	2026-05-18T02:51:40.811503Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abb7cb2b46ee79fedb222b77920cd137ba8909d847a0894335b44afc8f10ec1a

Aliases

arxiv: 1405.4455 · arxiv_version: 1405.4455v1 · doi: 10.48550/arxiv.1405.4455 · pith_short_12: VO34WK2G5Z47 · pith_short_16: VO34WK2G5Z475WZC · pith_short_8: VO34WK2G

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/VO34WK2G5Z475WZCFN3ZEDGRG6 \
  | 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: abb7cb2b46ee79fedb222b77920cd137ba8909d847a0894335b44afc8f10ec1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6212efff6267b5c2d473a78b8ad29a53816a4d5c215f62fcfefc09c75c4e847",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2014-05-18T03:23:21Z",
    "title_canon_sha256": "4ca87351d5d2f36ebd366f7db8a353ea98f03a83050c2780a87b6a66f1cc682f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.4455",
    "kind": "arxiv",
    "version": 1
  }
}