Pith Number

pith:JHUNQZSG

pith:2014:JHUNQZSGCC4IKQK5RFHP4KMDMX

not attested not anchored not stored refs pending

Reply to comments on "Weak value amplification is suboptimal for estimation and detection"

Christopher Ferrie, Joshua Combes

arxiv:1402.2954 v1 · 2014-02-12 · 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{JHUNQZSGCC4IKQK5RFHP4KMDMX}

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	2026-05-18T02:59:16.822067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49e8d8664610b885415d894efe298365d4c568a5c86089e46fb739ca8933ea55

Aliases

arxiv: 1402.2954 · arxiv_version: 1402.2954v1 · doi: 10.48550/arxiv.1402.2954 · pith_short_12: JHUNQZSGCC4I · pith_short_16: JHUNQZSGCC4IKQK5 · pith_short_8: JHUNQZSG

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/JHUNQZSGCC4IKQK5RFHP4KMDMX \
  | 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: 49e8d8664610b885415d894efe298365d4c568a5c86089e46fb739ca8933ea55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88a27f4c9ad465d1aa6fc48088d3f59569a955aa6434df5d33591e02f06fa9aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-02-12T20:09:52Z",
    "title_canon_sha256": "1152a26f03a51396fd86e12ed7ef94b8dff260a880280cd2b2a3c90262f069ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.2954",
    "kind": "arxiv",
    "version": 1
  }
}