Pith Number

pith:ORCKPD5Q

pith:2013:ORCKPD5Q6JXWHIDIIXYNFSMF75

not attested not anchored not stored refs pending

Unambiguous discrimination of extremely similar states by a weak measurement

Chang Qiao, Shengjun Wu, Zeng-Bing Chen

arxiv:1302.5986 v1 · 2013-02-25 · 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{ORCKPD5Q6JXWHIDIIXYNFSMF75}

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	2026-05-18T03:32:32.948407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7444a78fb0f26f63a06845f0d2c985ff537afbe6a2e2b1b06c2f137220da060b

Aliases

arxiv: 1302.5986 · arxiv_version: 1302.5986v1 · doi: 10.48550/arxiv.1302.5986 · pith_short_12: ORCKPD5Q6JXW · pith_short_16: ORCKPD5Q6JXWHIDI · pith_short_8: ORCKPD5Q

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/ORCKPD5Q6JXWHIDIIXYNFSMF75 \
  | 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: 7444a78fb0f26f63a06845f0d2c985ff537afbe6a2e2b1b06c2f137220da060b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99f81bb2282a02dfcf24e450c47b6cd343957fa53f139d119cde47472e795ca3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-02-25T03:16:02Z",
    "title_canon_sha256": "ab44a46fdd905414b80f20656609a94f42f884822e0539ef82c064d6dbad32c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.5986",
    "kind": "arxiv",
    "version": 1
  }
}