Pith Number

pith:AUIBMMBT

pith:2011:AUIBMMBTR3YTA4ZB4HG4IRQHVG

not attested not anchored not stored refs pending

On the Decidability of Connectedness Constraints in 2D and 3D Euclidean Spaces

(2) School of Computer Science, Ian Pratt-Hartmann (2), Michael Zakharyaschev (1) ((1) Birkbeck College London, Roman Kontchakov (1), University of Manchester), Yavor Nenov (2)

arxiv:1104.0219 v1 · 2011-04-01 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AUIBMMBTR3YTA4ZB4HG4IRQHVG}

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	2026-05-18T04:25:12.139795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05101630338ef1307321e1cdc44607a98f10ffced83e72e4da3de608077729b0

Aliases

arxiv: 1104.0219 · arxiv_version: 1104.0219v1 · doi: 10.48550/arxiv.1104.0219 · pith_short_12: AUIBMMBTR3YT · pith_short_16: AUIBMMBTR3YTA4ZB · pith_short_8: AUIBMMBT

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/AUIBMMBTR3YTA4ZB4HG4IRQHVG \
  | 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: 05101630338ef1307321e1cdc44607a98f10ffced83e72e4da3de608077729b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75f8589d2ca171a8de8580cc2ae107bb2839420de36cdf35d3eb9cb78f8f7096",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2011-04-01T16:47:34Z",
    "title_canon_sha256": "4abbbeddde8d464e683cdd22b1471225e478b5397415241cf8b255c029dc0e96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.0219",
    "kind": "arxiv",
    "version": 1
  }
}