Pith Number

pith:LDTYYJPQ

pith:2014:LDTYYJPQ7THXFOGBKXIA7LQH2H

not attested not anchored not stored refs pending

Towards Human Computable Passwords

Anupam Datta, Jeremiah Blocki, Manuel Blum, Santosh Vempala

arxiv:1404.0024 v4 · 2014-03-31 · 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{LDTYYJPQ7THXFOGBKXIA7LQH2H}

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	2026-05-18T01:04:50.776327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58e78c25f0fccf72b8c155d00fae07d1d5a390ef08448491e857b1234855f953

Aliases

arxiv: 1404.0024 · arxiv_version: 1404.0024v4 · doi: 10.48550/arxiv.1404.0024 · pith_short_12: LDTYYJPQ7THX · pith_short_16: LDTYYJPQ7THXFOGB · pith_short_8: LDTYYJPQ

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/LDTYYJPQ7THXFOGBKXIA7LQH2H \
  | 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: 58e78c25f0fccf72b8c155d00fae07d1d5a390ef08448491e857b1234855f953

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b508a41b4fbcc3e2b51d79a6f39194b5bfdb5b01a13d2b11debcc0980e61a0a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2014-03-31T20:11:51Z",
    "title_canon_sha256": "7cb38543d2d7657322a7f913e1b9d68fb14fdb6de5f691dcfc231c73cf949fe3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.0024",
    "kind": "arxiv",
    "version": 4
  }
}