Pith Number

pith:4STPBUDC

pith:2001:4STPBUDC5QKEY3N2YZW6U63EK6

not attested not anchored not stored refs pending

Some aspects of separability

Jeeva Anandan, Shengjun Wu

arxiv:quant-ph/0112177 v2 · 2001-12-30 · 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{4STPBUDC5QKEY3N2YZW6U63EK6}

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	2026-05-18T01:38:02.257952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4a6f0d062ec144c6dbac66dea7b6457bb66354b12e51ec533e5bf4294cc76ab

Aliases

arxiv: quant-ph/0112177 · arxiv_version: quant-ph/0112177v2 · doi: 10.48550/arxiv.quant-ph/0112177 · pith_short_12: 4STPBUDC5QKE · pith_short_16: 4STPBUDC5QKEY3N2 · pith_short_8: 4STPBUDC

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/4STPBUDC5QKEY3N2YZW6U63EK6 \
  | 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: e4a6f0d062ec144c6dbac66dea7b6457bb66354b12e51ec533e5bf4294cc76ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bdf95528177d51220e63c5272801e4d846a1561319d184f3f5ce905918841ad",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2001-12-30T18:05:54Z",
    "title_canon_sha256": "9b44f4b914bcf427d03850a0202f4cafa69b3bda183de8c1eb65e8d3fb28adf9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0112177",
    "kind": "arxiv",
    "version": 2
  }
}