Pith Number

pith:SQQUXWVM

pith:2020:SQQUXWVM5MPEYS5LJTLIHCRN22

not attested not anchored not stored refs pending

Parasite Chain Detection in the IOTA Protocol

Andreas Penzkofer, Angelo Capossele, Bartosz Kusmierz, Olivia Saa, William Sanders

arxiv:2004.13409 v1 · 2020-04-28 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SQQUXWVM5MPEYS5LJTLIHCRN22}

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	2026-07-05T00:58:58.998932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94214bdaaceb1e4c4bab4cd6838a2dd6b3c716e312cbee11aeef17f2309a986a

Aliases

arxiv: 2004.13409 · arxiv_version: 2004.13409v1 · doi: 10.48550/arxiv.2004.13409 · pith_short_12: SQQUXWVM5MPE · pith_short_16: SQQUXWVM5MPEYS5L · pith_short_8: SQQUXWVM

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/SQQUXWVM5MPEYS5LJTLIHCRN22 \
  | 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: 94214bdaaceb1e4c4bab4cd6838a2dd6b3c716e312cbee11aeef17f2309a986a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cfc17edba5981a1ef58c7f15288c76861c127b5584d90e1fdb1d414129a9f96",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2020-04-28T10:33:02Z",
    "title_canon_sha256": "2b3178cdb80c2a0879135f96e0575d82d0f7efc61edef2d44677984565d02300"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.13409",
    "kind": "arxiv",
    "version": 1
  }
}