Pith Number

pith:Z67Q6E43

pith:2016:Z67Q6E432CBMW5RLORF3YHZJTC

not attested not anchored not stored refs pending

Strong Federations: An Interoperable Blockchain Solution to Centralized Third-Party Risks

Andrew Poelstra, Ben Gorlick, Johnny Dilley, Jonathan Wilkins, Mark Friedenbach, Marta Piekarska

arxiv:1612.05491 v3 · 2016-12-16 · cs.CR · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z67Q6E432CBMW5RLORF3YHZJTC}

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	2026-05-18T00:51:41.439213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfbf0f139bd082cb762b744bbc1f2998bff641e0e8479969d9331db8c2472c1c

Aliases

arxiv: 1612.05491 · arxiv_version: 1612.05491v3 · doi: 10.48550/arxiv.1612.05491 · pith_short_12: Z67Q6E432CBM · pith_short_16: Z67Q6E432CBMW5RL · pith_short_8: Z67Q6E43

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/Z67Q6E432CBMW5RLORF3YHZJTC \
  | 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: cfbf0f139bd082cb762b744bbc1f2998bff641e0e8479969d9331db8c2472c1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c9a14b8a1eab57d5d7ff1b66edd50b1aae803339193e7523762771552ff2442",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2016-12-16T14:46:46Z",
    "title_canon_sha256": "ea1ded4d855c8e36bb3128261fff38bd7322528a5623d79a4c1bc0ebe207d465"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.05491",
    "kind": "arxiv",
    "version": 3
  }
}