Pith Number

pith:54WQAZ73

pith:2012:54WQAZ735YIP2YZFGXTODJUAZU

not attested not anchored not stored refs pending

On the response of quantum linear systems to single photon input fields

Guofeng Zhang, Matthew R. James

arxiv:1212.1862 v1 · 2012-12-09 · quant-ph · math-ph · math.MP · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{54WQAZ735YIP2YZFGXTODJUAZU}

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	2026-05-18T03:38:54.893042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef2d0067fbee10fd632535e6e1a680cd0941add87ad42584464ac61fbea0b06b

Aliases

arxiv: 1212.1862 · arxiv_version: 1212.1862v1 · doi: 10.48550/arxiv.1212.1862 · pith_short_12: 54WQAZ735YIP · pith_short_16: 54WQAZ735YIP2YZF · pith_short_8: 54WQAZ73

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/54WQAZ735YIP2YZFGXTODJUAZU \
  | 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: ef2d0067fbee10fd632535e6e1a680cd0941add87ad42584464ac61fbea0b06b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6b42f119ae0abc279a81820bd9586bd78c2bf4c7f881f9b22ca4834379c028b",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-12-09T07:26:51Z",
    "title_canon_sha256": "55c71a499651692bceebf49d00294f735ca8238f824c2e3abb03e7ac730c5e24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.1862",
    "kind": "arxiv",
    "version": 1
  }
}