Pith Number

pith:VAV5RZMY

pith:2009:VAV5RZMY5AEP6CMSJNQ6GXCCPP

not attested not anchored not stored refs pending

Adiabatic quantum optimization fails for random instances of NP-complete problems

Boris Altshuler, Hari Krovi, Jeremie Roland

arxiv:0908.2782 v2 · 2009-08-19 · quant-ph · cs.CC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VAV5RZMY5AEP6CMSJNQ6GXCCPP}

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	2026-07-04T17:16:49.079004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a82bd8e598e808ff09924b61e35c427bd669e21dbd4ca6676a1804b4be03049b

Aliases

arxiv: 0908.2782 · arxiv_version: 0908.2782v2 · doi: 10.48550/arxiv.0908.2782 · pith_short_12: VAV5RZMY5AEP · pith_short_16: VAV5RZMY5AEP6CMS · pith_short_8: VAV5RZMY

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/VAV5RZMY5AEP6CMSJNQ6GXCCPP \
  | 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: a82bd8e598e808ff09924b61e35c427bd669e21dbd4ca6676a1804b4be03049b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e997a63feb05a5952b6c8d60dcef683df88ff803fb13255931e9499bb21093ce",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-08-19T19:47:58Z",
    "title_canon_sha256": "deb0a4d19de0c74114006b5b77ae07b5d6587e6712bf144e63e456b2ddc0d09e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.2782",
    "kind": "arxiv",
    "version": 2
  }
}