Pith Number

pith:T7PXBCXF

pith:2017:T7PXBCXFN26ZSTEG4SL6FLK7AL

not attested not anchored not stored refs pending

Extending Partial Representations of Unit Circular-arc Graphs

Peter Zeman

arxiv:1706.00928 v1 · 2017-06-03 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T7PXBCXFN26ZSTEG4SL6FLK7AL}

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	2026-05-18T00:43:07.371571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fdf708ae56ebd994c86e497e2ad5f02d40fe400891de99f219800f7b8db1185

Aliases

arxiv: 1706.00928 · arxiv_version: 1706.00928v1 · doi: 10.48550/arxiv.1706.00928 · pith_short_12: T7PXBCXFN26Z · pith_short_16: T7PXBCXFN26ZSTEG · pith_short_8: T7PXBCXF

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/T7PXBCXFN26ZSTEG4SL6FLK7AL \
  | 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: 9fdf708ae56ebd994c86e497e2ad5f02d40fe400891de99f219800f7b8db1185

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fd437125766ef0a68c14843a2e97e4c29424f2596a262864cd14e70a5fd7771",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2017-06-03T10:48:21Z",
    "title_canon_sha256": "7c2e3e62b1f699b8ca60645fc55feb5a6bb452f30b5d1060cd9574cccd4daeb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.00928",
    "kind": "arxiv",
    "version": 1
  }
}