Pith Number

pith:DFHEULB7

pith:2019:DFHEULB757OQ5PWZWLUOKQV4MA

not attested not anchored not stored refs pending

In Search of Lost QoS

Benjamin Finley, Kalevi Kilkki

arxiv:1901.06867 v1 · 2019-01-21 · cs.NI · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DFHEULB757OQ5PWZWLUOKQV4MA}

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	2026-05-17T23:55:48.875998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

194e4a2c3fefdd0ebed9b2e8e542bc602b0d1ddc6e95abddd008e0ca7aa80bb5

Aliases

arxiv: 1901.06867 · arxiv_version: 1901.06867v1 · doi: 10.48550/arxiv.1901.06867 · pith_short_12: DFHEULB757OQ · pith_short_16: DFHEULB757OQ5PWZ · pith_short_8: DFHEULB7

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/DFHEULB757OQ5PWZWLUOKQV4MA \
  | 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: 194e4a2c3fefdd0ebed9b2e8e542bc602b0d1ddc6e95abddd008e0ca7aa80bb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "717130b0949255c4ba0cdf80af2e9c8b76ef166b52a6bf550c24b9a532fc0d84",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2019-01-21T10:43:23Z",
    "title_canon_sha256": "079a4cf55abd3bb4ad019255eb639662f270a05e190cbe8b74becdfbb72a7154"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06867",
    "kind": "arxiv",
    "version": 1
  }
}