Pith Number

pith:T3JWLBZX

pith:2010:T3JWLBZXEIPRXDVWA7F2ODVMFD

not attested not anchored not stored refs pending

Ubiquitous Computing: Potentials and Challenges

Jaydip Sen

arxiv:1011.1960 v2 · 2010-11-09 · cs.CY · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T3JWLBZXEIPRXDVWA7F2ODVMFD}

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	2026-05-18T03:46:05.744310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ed3658737221f1b8eb607cba70eac28e2740cfa402f103d1f8d45bef9a34d73

Aliases

arxiv: 1011.1960 · arxiv_version: 1011.1960v2 · doi: 10.48550/arxiv.1011.1960 · pith_short_12: T3JWLBZXEIPR · pith_short_16: T3JWLBZXEIPRXDVW · pith_short_8: T3JWLBZX

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/T3JWLBZXEIPRXDVWA7F2ODVMFD \
  | 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: 9ed3658737221f1b8eb607cba70eac28e2740cfa402f103d1f8d45bef9a34d73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c832fb3c51b6fd7dbeb87311317948dce4d0a8eb2f23bc4cc4af4d9adb1b1f86",
    "cross_cats_sorted": [
      "cs.NI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2010-11-09T02:30:50Z",
    "title_canon_sha256": "554e54c3c33144bcdf5731ebb1eaaf70c4ee3230a7325b6aa1757b290175b685"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.1960",
    "kind": "arxiv",
    "version": 2
  }
}