Pith Number

pith:3AY2Q7I3

pith:2016:3AY2Q7I3WWPEFWTRY437L5EH7Q

not attested not anchored not stored refs pending

Detecting Engagement in Egocentric Video

Kristen Grauman, Yu-Chuan Su

arxiv:1604.00906 v1 · 2016-04-04 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3AY2Q7I3WWPEFWTRY437L5EH7Q}

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	2026-05-18T01:17:47.843489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d831a87d1bb59e42da71c737f5f487fc3437e3b7128f3f299c86d08afcd868c3

Aliases

arxiv: 1604.00906 · arxiv_version: 1604.00906v1 · doi: 10.48550/arxiv.1604.00906 · pith_short_12: 3AY2Q7I3WWPE · pith_short_16: 3AY2Q7I3WWPEFWTR · pith_short_8: 3AY2Q7I3

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/3AY2Q7I3WWPEFWTRY437L5EH7Q \
  | 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: d831a87d1bb59e42da71c737f5f487fc3437e3b7128f3f299c86d08afcd868c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0607ddefda664a1caaf588ec0fbf83ea4a3ac3224bb0d872ab34ef20cd375f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-04-04T15:21:16Z",
    "title_canon_sha256": "61eebbed699ea656583c7d8d21442ddbc1419197791d6159b2911c00e3f5dddd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.00906",
    "kind": "arxiv",
    "version": 1
  }
}