Pith Number

pith:5ALEWMJ4

pith:2014:5ALEWMJ4L7E43P4O3M2FDWKHWG

not attested not anchored not stored refs pending

Touch Survey: Comparison with Paper and Web Questionnaires

Hideyuki Fujita, Masatoshi Arikawa, Shin'ichi Konomi, Tomoyo Sasao

arxiv:1405.4354 v1 · 2014-05-17 · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5ALEWMJ4L7E43P4O3M2FDWKHWG}

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	2026-05-18T02:51:41.106224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8164b313c5fc9cdbf8edb3451d947b197d3aa8739e258f33a8982549ea8dd10

Aliases

arxiv: 1405.4354 · arxiv_version: 1405.4354v1 · doi: 10.48550/arxiv.1405.4354 · pith_short_12: 5ALEWMJ4L7E4 · pith_short_16: 5ALEWMJ4L7E43P4O · pith_short_8: 5ALEWMJ4

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/5ALEWMJ4L7E43P4O3M2FDWKHWG \
  | 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: e8164b313c5fc9cdbf8edb3451d947b197d3aa8739e258f33a8982549ea8dd10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "716e2bbdd6a74aedf75de422049e2f9cd65d175b9cbfe4c09b433501484e535c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2014-05-17T06:01:03Z",
    "title_canon_sha256": "8dba2b32cd225bf276dbdb78a6692e8cdebd634a875e3cb33c326ba9fecf820a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.4354",
    "kind": "arxiv",
    "version": 1
  }
}