Pith Number

pith:ENII4ENK

pith:2016:ENII4ENKHSCH7WZZRWLDKZDU2B

not attested not anchored not stored refs pending

Are observables necessarily Hermitian?

Meng-Jun Hu, Xiao-Min Hu, Yong-Sheng Zhang

arxiv:1601.04287 v1 · 2016-01-17 · 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{ENII4ENKHSCH7WZZRWLDKZDU2B}

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	2026-05-18T00:53:21.008761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23508e11aa3c847fdb398d96356474d047c3debb92fc204dad1f099f7244a34c

Aliases

arxiv: 1601.04287 · arxiv_version: 1601.04287v1 · doi: 10.48550/arxiv.1601.04287 · pith_short_12: ENII4ENKHSCH · pith_short_16: ENII4ENKHSCH7WZZ · pith_short_8: ENII4ENK

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/ENII4ENKHSCH7WZZRWLDKZDU2B \
  | 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: 23508e11aa3c847fdb398d96356474d047c3debb92fc204dad1f099f7244a34c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf362ec2a6693a94bdaf0825b121c341efa52f57ddb24342787b7abadb0105e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-01-17T12:52:00Z",
    "title_canon_sha256": "385f71e45222a683f0b2c0591b569f97779cc34fb16259cbb4632ab3b1634f22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.04287",
    "kind": "arxiv",
    "version": 1
  }
}