Pith Number

pith:3SB56WPN

pith:2020:3SB56WPN567PXSRTHCK3XEE3MX

not attested not anchored not stored refs pending

Modelling Memory for Individual Re-identification in Decentralised Mobile Contact Tracing Applications

Flora Salim, Luca Bedogni, Shakila Khan Rumi

arxiv:2010.05514 v2 · 2020-10-12 · cs.CY · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3SB56WPN567PXSRTHCK3XEE3MX}

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	2026-07-05T01:51:22.250803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc83df59edefbefbca333895bb909b65eb692940930caca0376cb3b2f27474d6

Aliases

arxiv: 2010.05514 · arxiv_version: 2010.05514v2 · doi: 10.48550/arxiv.2010.05514 · pith_short_12: 3SB56WPN567P · pith_short_16: 3SB56WPN567PXSRT · pith_short_8: 3SB56WPN

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/3SB56WPN567PXSRTHCK3XEE3MX \
  | 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: dc83df59edefbefbca333895bb909b65eb692940930caca0376cb3b2f27474d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15850dffb9ddaff31293ca24c3f21f7bf324c68e959a9842290fb13de574a5a2",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2020-10-12T08:10:54Z",
    "title_canon_sha256": "9d1048afadfbc2306c6c06f983dd93adfe35616b15311dbe225d608e27f0a0fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.05514",
    "kind": "arxiv",
    "version": 2
  }
}