Pith Number

pith:HQF5PEKA

pith:2021:HQF5PEKAGNFE5WELXMZLNXRTX2

not attested not anchored not stored refs pending

On the Estimation of the Number of Unreachable Peers in the Bitcoin P2P Network by Observation of Peer Announcements

Hannes Hartenstein, Hedwig Amberg, Matthias Grundmann

arxiv:2102.12774 v1 · 2021-02-25 · cs.CR · 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{HQF5PEKAGNFE5WELXMZLNXRTX2}

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	2026-07-05T02:18:23.670751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c0bd79140334a4ed88bbb32b6de33be86475c5a060cb1a2959938fec5a2a7a0

Aliases

arxiv: 2102.12774 · arxiv_version: 2102.12774v1 · doi: 10.48550/arxiv.2102.12774 · pith_short_12: HQF5PEKAGNFE · pith_short_16: HQF5PEKAGNFE5WEL · pith_short_8: HQF5PEKA

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/HQF5PEKAGNFE5WELXMZLNXRTX2 \
  | 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: 3c0bd79140334a4ed88bbb32b6de33be86475c5a060cb1a2959938fec5a2a7a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b01553de3d3be0dbd28df191037fd12c897d145cab61d4b376c9d5da738e8b9",
    "cross_cats_sorted": [
      "cs.NI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2021-02-25T10:41:27Z",
    "title_canon_sha256": "d09c6cdbf8168646bba02015ccb3f65166da4544437a0e1d1500c3d6d839b6d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.12774",
    "kind": "arxiv",
    "version": 1
  }
}