Pith Number

pith:2ZAS2MLA

pith:2018:2ZAS2MLAXWATJ2AM4A36GF2J7A

not attested not anchored not stored refs pending

Web password recovery --- a necessary evil?

Chris J Mitchell, Fatma AL Maqbali

arxiv:1801.06730 v2 · 2018-01-20 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2ZAS2MLAXWATJ2AM4A36GF2J7A}

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	2026-05-18T00:24:46.751366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6412d3160bd8134e80ce037e31749f83f4ff05f5ae9c49ab9fe2e2ddb3724b0

Aliases

arxiv: 1801.06730 · arxiv_version: 1801.06730v2 · doi: 10.48550/arxiv.1801.06730 · pith_short_12: 2ZAS2MLAXWAT · pith_short_16: 2ZAS2MLAXWATJ2AM · pith_short_8: 2ZAS2MLA

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/2ZAS2MLAXWATJ2AM4A36GF2J7A \
  | 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: d6412d3160bd8134e80ce037e31749f83f4ff05f5ae9c49ab9fe2e2ddb3724b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2db28b19fec72b1569cb114e2628ebaba1da4cbf5f650c25300fe0ab41e34d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2018-01-20T21:31:31Z",
    "title_canon_sha256": "fd6930dc97cdf1976a9c7f1f955f77d1b66f14e0c02f5280aad20ad756966c8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.06730",
    "kind": "arxiv",
    "version": 2
  }
}