Pith Number

pith:SA3YM4JJ

pith:2009:SA3YM4JJRSHLPL2LI3HDHDGF4Q

not attested not anchored not stored refs pending

Robust entangled states

Florian Mintert

arxiv:0901.2527 v1 · 2009-01-16 · 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{SA3YM4JJRSHLPL2LI3HDHDGF4Q}

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	2026-05-18T02:14:57.132863Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90378671298c8eb7af4b46ce338cc5e410f52c5559b75b36eb47ff72774745dd

Aliases

arxiv: 0901.2527 · arxiv_version: 0901.2527v1 · doi: 10.48550/arxiv.0901.2527 · pith_short_12: SA3YM4JJRSHL · pith_short_16: SA3YM4JJRSHLPL2L · pith_short_8: SA3YM4JJ

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/SA3YM4JJRSHLPL2LI3HDHDGF4Q \
  | 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: 90378671298c8eb7af4b46ce338cc5e410f52c5559b75b36eb47ff72774745dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12af33608f307d72c2144cc813d04073d8726da0f696cc5ff2ffb986de2bd670",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-01-16T16:51:49Z",
    "title_canon_sha256": "1dfb20e3465f1c9dc8bac1b459bb3a0514fe8795cde951715ac5b09a12039d22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.2527",
    "kind": "arxiv",
    "version": 1
  }
}