Pith Number

pith:7ADKZGDY

pith:2011:7ADKZGDYUDWVZFVAN6GEFT2TIS

not attested not anchored not stored refs pending

Barbosa, Uniform Polynomial Time Bounds, and Promises

Kyle Murray, Lane A. Hemaspaandra, Xiaoqing Tang

arxiv:1106.1150 v1 · 2011-06-06 · 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{7ADKZGDYUDWVZFVAN6GEFT2TIS}

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	2026-05-18T02:21:44.055826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f806ac9878a0ed5c96a06f8c42cf534495739fe86b9500d1a78d1e73845df287

Aliases

arxiv: 1106.1150 · arxiv_version: 1106.1150v1 · doi: 10.48550/arxiv.1106.1150 · pith_short_12: 7ADKZGDYUDWV · pith_short_16: 7ADKZGDYUDWVZFVA · pith_short_8: 7ADKZGDY

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/7ADKZGDYUDWVZFVAN6GEFT2TIS \
  | 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: f806ac9878a0ed5c96a06f8c42cf534495739fe86b9500d1a78d1e73845df287

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c08330c70cb14cfb88090988ccadc6243400077f3b70ab381d7e2c5022ce5ed5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2011-06-06T18:59:06Z",
    "title_canon_sha256": "e7874e9dabad94c8e2fdc729b8666d4f9eae375c60777db3044a4e0bbb66a5b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.1150",
    "kind": "arxiv",
    "version": 1
  }
}