Pith Number

pith:2QR4CM6O

pith:2016:2QR4CM6OA5MQIJC2L2Y4TX35LG

not attested not anchored not stored refs pending

Minimizing the Continuous Diameter when Augmenting a Geometric Tree with a Shortcut

Anil Maheshwari, Carsten Grimm, Jean-Lou De Carufel, Michiel Smid, Stefan Schirra

arxiv:1612.01370 v4 · 2016-12-05 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2QR4CM6OA5MQIJC2L2Y4TX35LG}

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	2026-05-18T00:32:25.985653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d423c133ce075904245a5eb1c9df7d59b091c3ca48f3ab95baf673a0e4817103

Aliases

arxiv: 1612.01370 · arxiv_version: 1612.01370v4 · doi: 10.48550/arxiv.1612.01370 · pith_short_12: 2QR4CM6OA5MQ · pith_short_16: 2QR4CM6OA5MQIJC2 · pith_short_8: 2QR4CM6O

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/2QR4CM6OA5MQIJC2L2Y4TX35LG \
  | 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: d423c133ce075904245a5eb1c9df7d59b091c3ca48f3ab95baf673a0e4817103

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6be8327ca15817d5830f0bb8a2188cf7b0129424f5592b5da966e4d704b3003",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2016-12-05T14:29:01Z",
    "title_canon_sha256": "cdcdca7865181731ae7c3e6bbc835e2ac40bc98c745074a53207785226d97aa4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.01370",
    "kind": "arxiv",
    "version": 4
  }
}