Pith. sign in
Pith Number

pith:EBD5H2PZ

pith:2021:EBD5H2PZBXEMQURZKXI4RVHDUB
not attested not anchored not stored refs pending

What Is the Price of Data? A Measurement Study of Commercial Data Marketplaces

Costas Iordanou, Nikolaos Laoutaris, Santiago Andr\'es Azcoitia

arxiv:2111.04427 v1 · 2021-10-25 · cs.CY

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{EBD5H2PZBXEMQURZKXI4RVHDUB}

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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 2026-07-05T03:30:55.068657Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2047d3e9f90dc8c8523955d1c8d4e3a0562237f81b782b7202214159df80881c

Aliases

arxiv: 2111.04427 · arxiv_version: 2111.04427v1 · doi: 10.48550/arxiv.2111.04427 · pith_short_12: EBD5H2PZBXEM · pith_short_16: EBD5H2PZBXEMQURZ · pith_short_8: EBD5H2PZ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/EBD5H2PZBXEMQURZKXI4RVHDUB \
  | 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: 2047d3e9f90dc8c8523955d1c8d4e3a0562237f81b782b7202214159df80881c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e9a1def90181873fdc449f5452e021e31e4c76fcd0db89fc0b2a40e0208726c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2021-10-25T10:39:47Z",
    "title_canon_sha256": "fac985bddc769bd9bc5488549c83c956eef65b8b347ca643b7588f75efd83300"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.04427",
    "kind": "arxiv",
    "version": 1
  }
}