Pith Number

pith:H2QECZZE

pith:2017:H2QECZZET6KBSOLTUYXH2E5SBZ

not attested not anchored not stored refs pending

iPhone's Digital Marketplace: Characterizing the Big Spenders

Eric Bax, Farshad Kooti, Kristina Lerman, Luca Maria Aiello, Mihajlo Grbovic

arxiv:1701.07411 v1 · 2017-01-25 · 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{H2QECZZET6KBSOLTUYXH2E5SBZ}

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	2026-05-18T00:52:04.619871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ea04167249f94193973a62e7d13b20e68f9545be8cdc81a9ea671ecc922881d

Aliases

arxiv: 1701.07411 · arxiv_version: 1701.07411v1 · doi: 10.48550/arxiv.1701.07411 · pith_short_12: H2QECZZET6KB · pith_short_16: H2QECZZET6KBSOLT · pith_short_8: H2QECZZE

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/H2QECZZET6KBSOLTUYXH2E5SBZ \
  | 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: 3ea04167249f94193973a62e7d13b20e68f9545be8cdc81a9ea671ecc922881d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b27f709c22453ac9b7ae3ebea15575a195cda04c628303f2153b4031e9bfdfc6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2017-01-25T18:14:11Z",
    "title_canon_sha256": "800aeb37962c646d7b7754e86a2d50330f3b0341d28851c3adaa7bcd31638f30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.07411",
    "kind": "arxiv",
    "version": 1
  }
}