Pith Number

pith:UT3ZHAAS

pith:2011:UT3ZHAASH7XMA4EOOQISDOIKYK

not attested not anchored not stored refs pending

Tales of 34 iPhone Users: How they change and why they are different

Ahmad Rahmati, Chad Tossell, Clayton Shepard, Lin Zhong, Mian Dong, Philip Kortum, Zhen Wang

arxiv:1106.5100 v1 · 2011-06-25 · cs.HC · 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{UT3ZHAASH7XMA4EOOQISDOIKYK}

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	2026-05-18T04:19:21.387668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4f79380123feec0708e741121b90ac2b479b4a4a1af24822aee0dc6ac5de00c

Aliases

arxiv: 1106.5100 · arxiv_version: 1106.5100v1 · doi: 10.48550/arxiv.1106.5100 · pith_short_12: UT3ZHAASH7XM · pith_short_16: UT3ZHAASH7XMA4EO · pith_short_8: UT3ZHAAS

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/UT3ZHAASH7XMA4EOOQISDOIKYK \
  | 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: a4f79380123feec0708e741121b90ac2b479b4a4a1af24822aee0dc6ac5de00c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c74f901e32806b1d7cede08e57950665b3f56de299622e117ba95aa252a397f",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2011-06-25T03:30:32Z",
    "title_canon_sha256": "28f8f25d457a706c2074c418437dcfe51a36bd9834bc593e486aece1f9f75925"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.5100",
    "kind": "arxiv",
    "version": 1
  }
}