Pith Number

pith:3X7BUFAW

pith:2018:3X7BUFAWZ6WQQTLKEROSQOOTJD

not attested not anchored not stored refs pending

Quantum entropy and polarization measurements of the two-photon system

Moorad Alexanian, Vanik E. Mkrtchian

arxiv:1802.08276 v1 · 2018-02-22 · quant-ph · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3X7BUFAWZ6WQQTLKEROSQOOTJD}

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	2026-05-18T00:21:05.728788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddfe1a1416cfad084d6a245d2839d348efef43dbc9faceabc73abc8eaffbd3cf

Aliases

arxiv: 1802.08276 · arxiv_version: 1802.08276v1 · doi: 10.48550/arxiv.1802.08276 · pith_short_12: 3X7BUFAWZ6WQ · pith_short_16: 3X7BUFAWZ6WQQTLK · pith_short_8: 3X7BUFAW

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/3X7BUFAWZ6WQQTLKEROSQOOTJD \
  | 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: ddfe1a1416cfad084d6a245d2839d348efef43dbc9faceabc73abc8eaffbd3cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6532347a9e83b7416984c21cc1c2449b88497faa56c8130ca6a408246bcdaba8",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-02-22T19:39:44Z",
    "title_canon_sha256": "42878805840d71b4505ff9a4e6809c160eb1dc8e34bc5f74ada3ca8271acc55b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08276",
    "kind": "arxiv",
    "version": 1
  }
}