Pith Number

pith:QJA2U4WL

pith:2020:QJA2U4WL52JRJFKJABTX5TCO4P

not attested not anchored not stored refs pending

Kollaps: Decentralized and Dynamic Topology Emulation

Carlos Segarra, Jo\~ao Neves, Luca Liechti, Miguel Matos, Paulo Gouveia, Shady Issa, Valerio Schiavoni

arxiv:2004.02253 v1 · 2020-04-05 · cs.DC · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QJA2U4WL52JRJFKJABTX5TCO4P}

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	2026-07-05T00:52:57.234091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8241aa72cbee9314954900677ecc4ee3c6a574f2f8f39c6045ac488131e613fa

Aliases

arxiv: 2004.02253 · arxiv_version: 2004.02253v1 · doi: 10.48550/arxiv.2004.02253 · pith_short_12: QJA2U4WL52JR · pith_short_16: QJA2U4WL52JRJFKJ · pith_short_8: QJA2U4WL

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/QJA2U4WL52JRJFKJABTX5TCO4P \
  | 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: 8241aa72cbee9314954900677ecc4ee3c6a574f2f8f39c6045ac488131e613fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3c151a5d5f25e911f3f319624b657d372209e0930851727c5b6610035895cd6",
    "cross_cats_sorted": [
      "cs.NI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2020-04-05T16:57:33Z",
    "title_canon_sha256": "3a7fe02a6ea4073ca05f4743aeb3742a3727ef52d8f564862e22aa79d6ddddc6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.02253",
    "kind": "arxiv",
    "version": 1
  }
}