Pith Number

pith:AWFMQNHH

pith:2017:AWFMQNHHTMAYWQGFXH3U32HUN2

not attested not anchored not stored refs pending

On the hardness of losing weight

Andrei Krokhin, D\'aniel Marx

arxiv:1711.03894 v1 · 2017-11-10 · cs.DS · 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{AWFMQNHHTMAYWQGFXH3U32HUN2}

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	2026-05-18T00:30:51.166044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

058ac834e79b018b40c5b9f74de8f46e9d2c2e30ea5a5337b09e88ea6fc4f4c4

Aliases

arxiv: 1711.03894 · arxiv_version: 1711.03894v1 · doi: 10.48550/arxiv.1711.03894 · pith_short_12: AWFMQNHHTMAY · pith_short_16: AWFMQNHHTMAYWQGF · pith_short_8: AWFMQNHH

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/AWFMQNHHTMAYWQGFXH3U32HUN2 \
  | 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: 058ac834e79b018b40c5b9f74de8f46e9d2c2e30ea5a5337b09e88ea6fc4f4c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad0c9511b183b5ee585c9b9ad47faf8aed4d5964324155d54d06eff8edc2a7b3",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-11-10T15:48:24Z",
    "title_canon_sha256": "1cdea87c964a5770132fc0e72f5dbe8bc38866b7f7f6a280f52a06d0016dfb25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.03894",
    "kind": "arxiv",
    "version": 1
  }
}