Pith Number

pith:ZC5N45C3

pith:2021:ZC5N45C3BFQ5DNV2UMKAI244IH

not attested not anchored not stored refs pending

Layer-based Composite Reputation Bootstrapping

Athman Bouguettaya, Lie Qu, Sajib Mistry

arxiv:2102.09951 v1 · 2021-02-01 · cs.DC · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZC5N45C3BFQ5DNV2UMKAI244IH}

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	2026-07-05T02:16:32.494076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8bade745b0961d1b6baa314046b9c41cdae5180bf4fa3f4994ee637e779c9fa

Aliases

arxiv: 2102.09951 · arxiv_version: 2102.09951v1 · doi: 10.48550/arxiv.2102.09951 · pith_short_12: ZC5N45C3BFQ5 · pith_short_16: ZC5N45C3BFQ5DNV2 · pith_short_8: ZC5N45C3

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/ZC5N45C3BFQ5DNV2UMKAI244IH \
  | 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: c8bade745b0961d1b6baa314046b9c41cdae5180bf4fa3f4994ee637e779c9fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee0f73fac6a0dbaa641b7d3485b06c84d767137038eb3440d4a87421e28b5ded",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2021-02-01T15:00:30Z",
    "title_canon_sha256": "76bf943dadb155e3c45b8a693983bfbf1a06f97894fc02b25a9363c2cd4f35ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.09951",
    "kind": "arxiv",
    "version": 1
  }
}