Pith Number

pith:YREUSWBG

pith:2021:YREUSWBGVW6FSW4FY7ZJMWIT5X

not attested not anchored not stored refs pending

Local photons

Almut Beige, Daniel Hodgson, Jake Southall, Robert Purdy

arxiv:2104.04499 v4 · 2021-04-09 · quant-ph · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YREUSWBGVW6FSW4FY7ZJMWIT5X}

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.

Cited by

1 paper in Pith

Locally-acting mirror Hamiltonians

Receipt and verification

First computed	2026-07-05T04:58:00.596404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c449495826adbc595b85c7f2965913edf86758bee784e5f6c1242d3f70a41aab

Aliases

arxiv: 2104.04499 · arxiv_version: 2104.04499v4 · doi: 10.48550/arxiv.2104.04499 · pith_short_12: YREUSWBGVW6F · pith_short_16: YREUSWBGVW6FSW4F · pith_short_8: YREUSWBG

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/YREUSWBGVW6FSW4FY7ZJMWIT5X \
  | 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: c449495826adbc595b85c7f2965913edf86758bee784e5f6c1242d3f70a41aab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a721dac604ed9c58afd292fc85ec9757e6758ec4e8f5e5b7d0c725445383777e",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-04-09T17:33:03Z",
    "title_canon_sha256": "acfe39792e084bcbc6c788a3a0d0806c43fad20ad09c6ea94d9cab53294756f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.04499",
    "kind": "arxiv",
    "version": 4
  }
}