Pith Number

pith:CW7JU23F

pith:2016:CW7JU23FYRLDECZHHXMGO4NWUK

not attested not anchored not stored refs pending

Fast keyed hash/pseudo-random function using SIMD multiply and permute

Bill Cox, Jan Wassenberg, Jyrki Alakuijala

arxiv:1612.06257 v3 · 2016-12-19 · 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{CW7JU23FYRLDECZHHXMGO4NWUK}

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	2026-05-18T00:51:24.781334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15be9a6b65c456320b273dd86771b6a2a8ef04b7eff9216f61cfc307fed47588

Aliases

arxiv: 1612.06257 · arxiv_version: 1612.06257v3 · doi: 10.48550/arxiv.1612.06257 · pith_short_12: CW7JU23FYRLD · pith_short_16: CW7JU23FYRLDECZH · pith_short_8: CW7JU23F

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/CW7JU23FYRLDECZHHXMGO4NWUK \
  | 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: 15be9a6b65c456320b273dd86771b6a2a8ef04b7eff9216f61cfc307fed47588

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b89e41777b3bb8420201360cbb1544766be04fc9076d0605179cf6c3f2fe35a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2016-12-19T16:39:21Z",
    "title_canon_sha256": "6caa591cab0b2c6798bbb2d00da96a5798c21b7dcc371f43280fb78462ddf999"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.06257",
    "kind": "arxiv",
    "version": 3
  }
}