Pith Number

pith:D2PG3PHP

pith:2018:D2PG3PHPMBTNTRLJERGFXHSFZI

not attested not anchored not stored refs pending

DEFenD: A Secure and Privacy-Preserving Decentralized System for Freight Declaration

Dani\"el Vos, Jelle Vos, Leon Overweel, Matthijs Bijman, Max Pigmans, Wouter Raateland, Zekeriya Erkin

arxiv:1803.09257 v1 · 2018-03-25 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D2PG3PHPMBTNTRLJERGFXHSFZI}

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	2026-05-18T00:20:12.149043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e9e6dbcef6066d9c569244c5b9e45ca24bcbf09c4290f70a92a079407a71ba1

Aliases

arxiv: 1803.09257 · arxiv_version: 1803.09257v1 · doi: 10.48550/arxiv.1803.09257 · pith_short_12: D2PG3PHPMBTN · pith_short_16: D2PG3PHPMBTNTRLJ · pith_short_8: D2PG3PHP

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/D2PG3PHPMBTNTRLJERGFXHSFZI \
  | 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: 1e9e6dbcef6066d9c569244c5b9e45ca24bcbf09c4290f70a92a079407a71ba1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0e68e185c8ef683e7e4ccc4dc12cde3e973b2b169d476bfd332ea33b3f4f582",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2018-03-25T14:11:07Z",
    "title_canon_sha256": "d0a6974a659754ab838fc0b71ce6a4b52a23051f7cdbeab3e5b4fe051736d1c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.09257",
    "kind": "arxiv",
    "version": 1
  }
}