Pith Number

pith:FFNTQPV4

pith:2011:FFNTQPV4QSAHIENRZXZ5IE62CO

not attested not anchored not stored refs pending

The update complexity of selection and related problems

Manoj Gupta, Sandeep Sen, Yogish Sabharwal

arxiv:1108.5525 v1 · 2011-08-29 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FFNTQPV4QSAHIENRZXZ5IE62CO}

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	2026-05-18T02:21:37.041983Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

295b383ebc84807411b1cdf3d413da13aee3af2108e48b04dc05583ac8523c23

Aliases

arxiv: 1108.5525 · arxiv_version: 1108.5525v1 · doi: 10.48550/arxiv.1108.5525 · pith_short_12: FFNTQPV4QSAH · pith_short_16: FFNTQPV4QSAHIENR · pith_short_8: FFNTQPV4

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/FFNTQPV4QSAHIENRZXZ5IE62CO \
  | 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: 295b383ebc84807411b1cdf3d413da13aee3af2108e48b04dc05583ac8523c23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c299d87a5181d041b9c8f84e63334091da1ffcafd7e04906952191aa9ea93992",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-08-29T12:40:03Z",
    "title_canon_sha256": "0cef6d402bc3ecd3c39ea439f22fcc04c5e558b53e5b5b3052dc20738916307b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5525",
    "kind": "arxiv",
    "version": 1
  }
}