Pith Number

pith:QAIG5MIA

pith:2008:QAIG5MIA4MV7IG6HG64CD5Q6XP

not attested not anchored not stored refs pending

Experimental Quantum Process Discrimination

Anthony Laing, Jeremy L. O'Brien, Terry Rudolph

arxiv:0801.3831 v2 · 2008-01-24 · 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{QAIG5MIA4MV7IG6HG64CD5Q6XP}

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	2026-05-18T02:16:01.590524Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80106eb100e32bf41bc737b821f61ebbf4b041feb315f993723441e5d2d80a8c

Aliases

arxiv: 0801.3831 · arxiv_version: 0801.3831v2 · doi: 10.48550/arxiv.0801.3831 · pith_short_12: QAIG5MIA4MV7 · pith_short_16: QAIG5MIA4MV7IG6H · pith_short_8: QAIG5MIA

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/QAIG5MIA4MV7IG6HG64CD5Q6XP \
  | 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: 80106eb100e32bf41bc737b821f61ebbf4b041feb315f993723441e5d2d80a8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66092be6bac2e858340adcd829df6d1440a2f62522fa5110fade8212d3b9d0f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-01-24T20:07:06Z",
    "title_canon_sha256": "0e7887e5bf89cbdeb3e365b15c91c01140c4438727eb1b235e6c5091836c1dcb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.3831",
    "kind": "arxiv",
    "version": 2
  }
}