Pith Number

pith:4W5HC3TH

pith:2003:4W5HC3THF2DH2O3WVZGNEUNYDY

not attested not anchored not stored refs pending

The measurements, parameters and construction of Web proxy cache

Andrei Sukhov, Dmitry Dolgikh

arxiv:cs/0303012 v1 · 2003-03-18 · 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{4W5HC3THF2DH2O3WVZGNEUNYDY}

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	2026-07-04T14:24:30.893561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5ba716e672e867d3b76ae4cd251b81e2317c6e8e6100821be557b7840e97a93

Aliases

arxiv: cs/0303012 · arxiv_version: cs/0303012v1 · doi: 10.48550/arxiv.cs/0303012 · pith_short_12: 4W5HC3THF2DH · pith_short_16: 4W5HC3THF2DH2O3W · pith_short_8: 4W5HC3TH

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/4W5HC3THF2DH2O3WVZGNEUNYDY \
  | 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: e5ba716e672e867d3b76ae4cd251b81e2317c6e8e6100821be557b7840e97a93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "701cef3f91ba38e09110206aa1eeb8f44d3c174cdb82e72eab7f15063744ea6d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.NI",
    "submitted_at": "2003-03-18T15:42:06Z",
    "title_canon_sha256": "cc016f30deb13c807f3fcb6fe9482c52031721f4442b82ebdf7bbad99c7684bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0303012",
    "kind": "arxiv",
    "version": 1
  }
}