Pith Number

pith:3X7ROUEO

pith:2001:3X7ROUEOXUGAAMSEYIL4IRTKBF

not attested not anchored not stored refs pending

Fetching marked items from an unsorted database in NMR ensemble computing

G. L. Long, L. Xiao

arxiv:quant-ph/0112162 v1 · 2001-12-26 · 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{3X7ROUEOXUGAAMSEYIL4IRTKBF}

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	2026-05-18T01:05:04.670112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddff17508ebd0c003244c217c4466a09681504ba63aea255fead401b23fc074d

Aliases

arxiv: quant-ph/0112162 · arxiv_version: quant-ph/0112162v1 · doi: 10.48550/arxiv.quant-ph/0112162 · pith_short_12: 3X7ROUEOXUGA · pith_short_16: 3X7ROUEOXUGAAMSE · pith_short_8: 3X7ROUEO

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/3X7ROUEOXUGAAMSEYIL4IRTKBF \
  | 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: ddff17508ebd0c003244c217c4466a09681504ba63aea255fead401b23fc074d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6feaa66e8287208148aff5f0712bc2a2bb867fe26740bd09028f560ead324a0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2001-12-26T06:30:28Z",
    "title_canon_sha256": "6b2c31bb6e23c0f0b23687c0719f0d4c2eb9171d09e3975fa83853fcc3c3d587"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0112162",
    "kind": "arxiv",
    "version": 1
  }
}