Pith Number

pith:WP7AXQAO

pith:2019:WP7AXQAO55HTCDSGRVRVT5KMCW

not attested not anchored not stored refs pending

Quantum-limited discrimination of laser light and thermal light

Arunkumar Jagannathan, Jonathan L. Habif, Phoebe Amory, Saikat Guha, Samuel Gartenstein

arxiv:1912.06718 v2 · 2019-12-13 · 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{WP7AXQAO55HTCDSGRVRVT5KMCW}

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	2026-07-05T02:37:02.454119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3fe0bc00eef4f310e468d6359f54c1581435c685b33fd9110c051538153a36f

Aliases

arxiv: 1912.06718 · arxiv_version: 1912.06718v2 · doi: 10.48550/arxiv.1912.06718 · pith_short_12: WP7AXQAO55HT · pith_short_16: WP7AXQAO55HTCDSG · pith_short_8: WP7AXQAO

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/WP7AXQAO55HTCDSGRVRVT5KMCW \
  | 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: b3fe0bc00eef4f310e468d6359f54c1581435c685b33fd9110c051538153a36f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d837633a3ac0187de6f7a07e5e2c5a25a3ad2f3d8aa0d6143c12f2e89fce66a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-12-13T21:18:43Z",
    "title_canon_sha256": "0a5d72bb2c01a37398bda3d105574511443e4caf2a504f738cc73a2b4c192860"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.06718",
    "kind": "arxiv",
    "version": 2
  }
}