Pith Number

pith:NON26L6H

pith:2019:NON26L6HEJMFZEPLFTSHEKWWRJ

not attested not anchored not stored refs pending

COP2: Continuously Observing Protocol Performance

Olivier Bonaventure, Olivier Tilmans

arxiv:1902.04280 v1 · 2019-02-12 · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NON26L6HEJMFZEPLFTSHEKWWRJ}

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	2026-05-17T23:54:12.666096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b9baf2fc722585c91eb2ce4722ad68a4173d990fa30e3f65b4fe2d329227cc1

Aliases

arxiv: 1902.04280 · arxiv_version: 1902.04280v1 · doi: 10.48550/arxiv.1902.04280 · pith_short_12: NON26L6HEJMF · pith_short_16: NON26L6HEJMFZEPL · pith_short_8: NON26L6H

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/NON26L6HEJMFZEPLFTSHEKWWRJ \
  | 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: 6b9baf2fc722585c91eb2ce4722ad68a4173d990fa30e3f65b4fe2d329227cc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c63a0fbf2d6d57b0c530d9e2be5d0a19584ce936afc3bbb978b59b85e72172a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2019-02-12T08:47:33Z",
    "title_canon_sha256": "7d6e977c39d6d423b4b05089019a6ed211b60006a6b54e498ba9b42873834c0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04280",
    "kind": "arxiv",
    "version": 1
  }
}