Pith Number

pith:NTBL3G2W

pith:2019:NTBL3G2WLXRO5BXFTE22FHL5RN

not attested not anchored not stored refs pending

Monitorology the art of observing the world

Miroslaw Malek

arxiv:1902.09459 v1 · 2019-02-22 · cs.OH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NTBL3G2WLXRO5BXFTE22FHL5RN}

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	2026-05-17T23:52:45.717427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cc2bd9b565de2ee86e59935a29d7d8b48fb87bd7b6d3606cc7b4a84f8ae2cdd

Aliases

arxiv: 1902.09459 · arxiv_version: 1902.09459v1 · doi: 10.48550/arxiv.1902.09459 · pith_short_12: NTBL3G2WLXRO · pith_short_16: NTBL3G2WLXRO5BXF · pith_short_8: NTBL3G2W

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/NTBL3G2WLXRO5BXFTE22FHL5RN \
  | 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: 6cc2bd9b565de2ee86e59935a29d7d8b48fb87bd7b6d3606cc7b4a84f8ae2cdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5cdcd457747fe0dd272b49bf75913f272acd5915ce8e3967ed4daf1a01a6d62",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.OH",
    "submitted_at": "2019-02-22T09:30:08Z",
    "title_canon_sha256": "00c72def1ba7048b88a69e322e444511ce4eae5af037f87ede466a516a9009ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.09459",
    "kind": "arxiv",
    "version": 1
  }
}