Pith Number

pith:PFLUWM6Q

pith:2003:PFLUWM6QAS2LIT4QTFEL5Z65CR

not attested not anchored not stored refs pending

Distributed construction of quantum fingerprints

Andris Ambainis, Yaoyun Shi

arxiv:quant-ph/0305022 v2 · 2003-05-05 · 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{PFLUWM6QAS2LIT4QTFEL5Z65CR}

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	2026-07-04T14:46:10.657397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79574b33d004b4b44f909948bee7dd14659fdb9582970057f080ae484639b7e9

Aliases

arxiv: quant-ph/0305022 · arxiv_version: quant-ph/0305022v2 · doi: 10.48550/arxiv.quant-ph/0305022 · pith_short_12: PFLUWM6QAS2L · pith_short_16: PFLUWM6QAS2LIT4Q · pith_short_8: PFLUWM6Q

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/PFLUWM6QAS2LIT4QTFEL5Z65CR \
  | 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: 79574b33d004b4b44f909948bee7dd14659fdb9582970057f080ae484639b7e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eff21e0ec18c601ebe210ac6268f852b02b8ea8830e4fcf2d00cfd08d2fe54f8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-05-05T20:56:56Z",
    "title_canon_sha256": "733494af3c0db719cdcfa0ba6bea655be57526729e356bb73261723aa0deeabd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0305022",
    "kind": "arxiv",
    "version": 2
  }
}