pith. sign in
Pith Number

pith:FRVFNYRD

pith:2014:FRVFNYRDJ2VHHGTHTH4GZDOJNE
not attested not anchored not stored refs pending

The architecture of innovation: Tracking face-to-face interactions with ubicomp technologies

Cecilia Mascolo, Chlo\"e Brown, Christos Efstratiou, Daniele Quercia, Ilias Leontiadis, James Scott, Peter Key

arxiv:1406.6829 v1 · 2014-06-26 · cs.CY · cs.HC · cs.SI

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{FRVFNYRDJ2VHHGTHTH4GZDOJNE}

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 2026-05-18T02:48:55.740182Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2c6a56e2234eaa739a6799f86c8dc96936a9319192d0584dcd970daee7e2f3f7

Aliases

arxiv: 1406.6829 · arxiv_version: 1406.6829v1 · doi: 10.48550/arxiv.1406.6829 · pith_short_12: FRVFNYRDJ2VH · pith_short_16: FRVFNYRDJ2VHHGTH · pith_short_8: FRVFNYRD
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/FRVFNYRDJ2VHHGTHTH4GZDOJNE \
  | 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: 2c6a56e2234eaa739a6799f86c8dc96936a9319192d0584dcd970daee7e2f3f7
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "47e33207bb9d382f2afee49781a1f82ccecaf060f1922c60ec5627eccf94d779",
    "cross_cats_sorted": [
      "cs.HC",
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2014-06-26T10:17:32Z",
    "title_canon_sha256": "94e0e07db9cd33cd2ac47b666c4021927d20a3461dbdf6a65b43b3d041ad348b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.6829",
    "kind": "arxiv",
    "version": 1
  }
}