Pith Number

pith:HLTY543G

pith:2020:HLTY543GFGW4VCQ3OWGV4T6U2K

not attested not anchored not stored refs pending

BeeTrace: A Unified Platform for Secure Contact Tracing that Breaks Data Silos

Dawn Song, Evgenios M. Kornaropoulos, Ni Trieu, Xiaoyuan Liu

arxiv:2007.02285 v1 · 2020-07-05 · 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{HLTY543GFGW4VCQ3OWGV4T6U2K}

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	2026-07-05T01:16:20.878093Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ae78ef36629adca8a1b758d5e4fd4d297f2ad9e3a70eb3488f4552e612b4861

Aliases

arxiv: 2007.02285 · arxiv_version: 2007.02285v1 · doi: 10.48550/arxiv.2007.02285 · pith_short_12: HLTY543GFGW4 · pith_short_16: HLTY543GFGW4VCQ3 · pith_short_8: HLTY543G

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/HLTY543GFGW4VCQ3OWGV4T6U2K \
  | 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: 3ae78ef36629adca8a1b758d5e4fd4d297f2ad9e3a70eb3488f4552e612b4861

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "179e1e7a0e4aa017b08a28a45db8c1e50e299d614e941d35c878c0d4959bbaa1",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2020-07-05T10:33:45Z",
    "title_canon_sha256": "3321777da2d1b255d15f5f3cf844a33e2f7f0fc96581b5b09097fd2b191eea73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.02285",
    "kind": "arxiv",
    "version": 1
  }
}