Pith Number

pith:35PDUQBV

pith:2011:35PDUQBV6HCT6CFTEJYNHCP6WE

not attested not anchored not stored refs pending

Upward Point Set Embeddability for Convex Point Sets is in $P$

Antonios Symvonis, Michael Kaufmann, Tamara Mchedlidze

arxiv:1108.3092 v1 · 2011-08-15 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{35PDUQBV6HCT6CFTEJYNHCP6WE}

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	2026-05-18T02:21:37.200227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df5e3a4035f1c53f08b32270d389feb1232e2635888e7321c2a1f3dce8b389e9

Aliases

arxiv: 1108.3092 · arxiv_version: 1108.3092v1 · doi: 10.48550/arxiv.1108.3092 · pith_short_12: 35PDUQBV6HCT · pith_short_16: 35PDUQBV6HCT6CFT · pith_short_8: 35PDUQBV

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/35PDUQBV6HCT6CFTEJYNHCP6WE \
  | 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: df5e3a4035f1c53f08b32270d389feb1232e2635888e7321c2a1f3dce8b389e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1a9d48c5b51a4e5493cefd3c1093e87ffd469504859ed4f5e21e7be197e61e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-08-15T20:35:24Z",
    "title_canon_sha256": "1a2ec4e2ed2963efaeb246b21de8f3b60965628451ea980ef17ec8589eb4fab7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.3092",
    "kind": "arxiv",
    "version": 1
  }
}