Pith Number

pith:J5IIT5MG

pith:2018:J5IIT5MGTGM5YLDGXNFSX2KW4F

not attested not anchored not stored refs pending

A polynomial-time algorithm for median-closed semilinear constraints

Manuel Bodirsky, Marcello Mamino

arxiv:1808.10068 v2 · 2018-08-29 · 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{J5IIT5MGTGM5YLDGXNFSX2KW4F}

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	2026-05-18T00:02:09.170903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f5089f5869999dc2c66bb4b2be956e154ad642ace42b8cfa1597cd33446606c

Aliases

arxiv: 1808.10068 · arxiv_version: 1808.10068v2 · doi: 10.48550/arxiv.1808.10068 · pith_short_12: J5IIT5MGTGM5 · pith_short_16: J5IIT5MGTGM5YLDG · pith_short_8: J5IIT5MG

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/J5IIT5MGTGM5YLDGXNFSX2KW4F \
  | 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: 4f5089f5869999dc2c66bb4b2be956e154ad642ace42b8cfa1597cd33446606c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24d0036da12906d0c629a7b76f19fd28acf2a15b23cb5dc7dda52f55ab76eb30",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2018-08-29T23:34:17Z",
    "title_canon_sha256": "f96e4ac7b2d788d2a9e5e73bf487f78d2194bfb76b5f3ca95b21aaf3044475e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.10068",
    "kind": "arxiv",
    "version": 2
  }
}