Pith Number

pith:VYQJDIFQ

pith:2012:VYQJDIFQ2RUZIWM47TH45Y6CDO

not attested not anchored not stored refs pending

Balance between information gain and reversibility in weak measurement

Seung-Woo Lee, Yong Wook Cheong

arxiv:1203.4909 v2 · 2012-03-22 · 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{VYQJDIFQ2RUZIWM47TH45Y6CDO}

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	2026-05-18T03:43:29.594808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae2091a0b0d46994599cfccfcee3c21b80f107827c186c9de57c9af772b082be

Aliases

arxiv: 1203.4909 · arxiv_version: 1203.4909v2 · doi: 10.48550/arxiv.1203.4909 · pith_short_12: VYQJDIFQ2RUZ · pith_short_16: VYQJDIFQ2RUZIWM4 · pith_short_8: VYQJDIFQ

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/VYQJDIFQ2RUZIWM47TH45Y6CDO \
  | 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: ae2091a0b0d46994599cfccfcee3c21b80f107827c186c9de57c9af772b082be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b3eda5bf64fdff6bafb25c14c6e11029ff26f2f921b27a6bd2c7dc94198d0fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-03-22T08:30:56Z",
    "title_canon_sha256": "d89a6eefdbd1a5dca531a60ac70d06b09a324523a6724c01f9675ffc1b1f300c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4909",
    "kind": "arxiv",
    "version": 2
  }
}