Pith Number

pith:VHY4HMZF

pith:2017:VHY4HMZFWVNXBJ64ROV6DMORX3

not attested not anchored not stored refs pending

Contraction-based Observers using non-Euclidean Norms with an Application to Traffic Networks

Murat Arcak, Samuel Coogan

arxiv:1711.05640 v1 · 2017-11-15 · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VHY4HMZFWVNXBJ64ROV6DMORX3}

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	2026-05-18T00:30:29.306071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9f1c3b325b55b70a7dc8babe1b1d1becbdc150eecbedf5e0e897536c5d3c971

Aliases

arxiv: 1711.05640 · arxiv_version: 1711.05640v1 · doi: 10.48550/arxiv.1711.05640 · pith_short_12: VHY4HMZFWVNX · pith_short_16: VHY4HMZFWVNXBJ64 · pith_short_8: VHY4HMZF

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/VHY4HMZFWVNXBJ64ROV6DMORX3 \
  | 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: a9f1c3b325b55b70a7dc8babe1b1d1becbdc150eecbedf5e0e897536c5d3c971

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08c4909e63be9dcf52934bb7709b6d922d983c8175909987b1275abc13f6ba9a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2017-11-15T15:56:42Z",
    "title_canon_sha256": "d64b065d914ba3b4ad59363b0773cf033a673c13583f51610fb9d7b2948b0696"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.05640",
    "kind": "arxiv",
    "version": 1
  }
}