Pith Number

pith:WQEINIVT

pith:2014:WQEINIVTM56ZK4WOGFZIOJY3NS

not attested not anchored not stored refs pending

Stressing the Boundaries of Mobile Accessibility

Hugo Nicolau, Jo\~ao Guerreiro, Tiago Guerreiro

arxiv:1402.1001 v1 · 2014-02-05 · 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{WQEINIVTM56ZK4WOGFZIOJY3NS}

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	2026-05-18T03:00:02.071042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b40886a2b3677d9572ce317287271b6c82424a103f82eb6dc71d68ef257261f3

Aliases

arxiv: 1402.1001 · arxiv_version: 1402.1001v1 · doi: 10.48550/arxiv.1402.1001 · pith_short_12: WQEINIVTM56Z · pith_short_16: WQEINIVTM56ZK4WO · pith_short_8: WQEINIVT

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/WQEINIVTM56ZK4WOGFZIOJY3NS \
  | 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: b40886a2b3677d9572ce317287271b6c82424a103f82eb6dc71d68ef257261f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8f6b67e355e250d38673ca4120fed3daed30ac2077cc73355e0de88bd36b66d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2014-02-05T10:30:52Z",
    "title_canon_sha256": "df41d7265ddcf07b3abb3fc2b229c9b0ffe111c63306d4c98e4ad715a67355df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.1001",
    "kind": "arxiv",
    "version": 1
  }
}