Pith Number

pith:I2FELMVC

pith:2012:I2FELMVCDPX2MZYI4QJI2BBIG3

not attested not anchored not stored refs pending

Sequential measurements of non-commuting observables with quantum controlled interactions

Holger F. Hofmann

arxiv:1212.2683 v2 · 2012-12-12 · 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{I2FELMVCDPX2MZYI4QJI2BBIG3}

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	2026-05-18T02:48:47.193310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

468a45b2a21befa66708e4128d042836edb666d268590418b81fa23fbf83f239

Aliases

arxiv: 1212.2683 · arxiv_version: 1212.2683v2 · doi: 10.48550/arxiv.1212.2683 · pith_short_12: I2FELMVCDPX2 · pith_short_16: I2FELMVCDPX2MZYI · pith_short_8: I2FELMVC

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/I2FELMVCDPX2MZYI4QJI2BBIG3 \
  | 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: 468a45b2a21befa66708e4128d042836edb666d268590418b81fa23fbf83f239

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f17dccfc2c64d2f03020228c6688880a9aa43449e05eefdfb7b2f248ded181f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-12-12T01:03:10Z",
    "title_canon_sha256": "a05dd53506644e8c8eb4fdbe45e2013456e0a79768c47cb3dd6fa85701a2727e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.2683",
    "kind": "arxiv",
    "version": 2
  }
}