Pith Number

pith:T57H53N6

pith:2016:T57H53N6ZEMTGQEIREBGW5RKEW

not attested not anchored not stored refs pending

Approximation hardness of Shortest Common Superstring variants

Y. William Yu

arxiv:1602.08648 v1 · 2016-02-27 · cs.CC · q-bio.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T57H53N6ZEMTGQEIREBGW5RKEW}

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	2026-05-18T01:19:52.308724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f7e7eedbec91933408889026b762a25bc1d2bd12afeb7ff59e3ff6dd0852cf5

Aliases

arxiv: 1602.08648 · arxiv_version: 1602.08648v1 · doi: 10.48550/arxiv.1602.08648 · pith_short_12: T57H53N6ZEMT · pith_short_16: T57H53N6ZEMTGQEI · pith_short_8: T57H53N6

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/T57H53N6ZEMTGQEIREBGW5RKEW \
  | 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: 9f7e7eedbec91933408889026b762a25bc1d2bd12afeb7ff59e3ff6dd0852cf5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5d43acff9ed62be0a0f655630d423de6b86fa0d3ae4af21f52097f30b6908f5",
    "cross_cats_sorted": [
      "q-bio.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2016-02-27T23:21:55Z",
    "title_canon_sha256": "31dd8ab4a2fd51c059072f2ecd1e1c577a98e77d77df45fd7e1aee1e533dbea4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.08648",
    "kind": "arxiv",
    "version": 1
  }
}