Pith Number

pith:IB5BYKRO

pith:2016:IB5BYKROXHWDXWCEXU6VV57QSR

not attested not anchored not stored refs pending

Minimum Cost Homomorphisms with Constrained Costs

Mayssam Mohammadi Nevisi, Pavol Hell

arxiv:1602.07827 v3 · 2016-02-25 · cs.CC · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IB5BYKROXHWDXWCEXU6VV57QSR}

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	2026-05-18T01:08:25.842986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

407a1c2a2eb9ec3bd844bd3d5af7f0944f5678882e73cf9507d64c402e29175f

Aliases

arxiv: 1602.07827 · arxiv_version: 1602.07827v3 · doi: 10.48550/arxiv.1602.07827 · pith_short_12: IB5BYKROXHWD · pith_short_16: IB5BYKROXHWDXWCE · pith_short_8: IB5BYKRO

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/IB5BYKROXHWDXWCEXU6VV57QSR \
  | 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: 407a1c2a2eb9ec3bd844bd3d5af7f0944f5678882e73cf9507d64c402e29175f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0349f37a280348447d5c880ece3caa7ac6ad4c0f76ea8fe923bba96b642f6a17",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2016-02-25T07:34:37Z",
    "title_canon_sha256": "e096620517dd3e6d215292e76e4b54e9fb69544aa155472b6a83583d942aad0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.07827",
    "kind": "arxiv",
    "version": 3
  }
}