Pith Number

pith:TLCC6JGI

pith:2019:TLCC6JGIYF6AW4MUPZS4KWFX4W

not attested not anchored not stored refs pending

Parity-Based Concurrent Error Detection Schemes for the ChaCha Stream Cipher

Alexander Zeh, Viola Rieger

arxiv:1904.06073 v1 · 2019-04-12 · cs.IT · cs.CR · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TLCC6JGIYF6AW4MUPZS4KWFX4W}

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	2026-05-17T23:48:44.286233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ac42f24c8c17c0b71947e65c558b7e582501502adbdf8094fc617e4759eafb6

Aliases

arxiv: 1904.06073 · arxiv_version: 1904.06073v1 · doi: 10.48550/arxiv.1904.06073 · pith_short_12: TLCC6JGIYF6A · pith_short_16: TLCC6JGIYF6AW4MU · pith_short_8: TLCC6JGI

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/TLCC6JGIYF6AW4MUPZS4KWFX4W \
  | 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: 9ac42f24c8c17c0b71947e65c558b7e582501502adbdf8094fc617e4759eafb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a17bce65cc90b47f571b44b9621048d92fdd8f1543a817a171340b7b0024d64",
    "cross_cats_sorted": [
      "cs.CR",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-04-12T07:17:48Z",
    "title_canon_sha256": "887379475af87cb8b0d856d3a6c1f6ba45bc52a6600c52d526506657fb3b2416"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.06073",
    "kind": "arxiv",
    "version": 1
  }
}