Pith Number

pith:IWFYYI3W

pith:2012:IWFYYI3WPX4AZNRNVFS6XLEW27

not attested not anchored not stored refs pending

Learning Human Activities and Object Affordances from RGB-D Videos

Ashutosh Saxena, Hema Swetha Koppula, Rudhir Gupta

arxiv:1210.1207 v2 · 2012-10-04 · cs.RO · cs.AI · 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{IWFYYI3WPX4AZNRNVFS6XLEW27}

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	2026-05-18T03:26:32.375567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

458b8c23767df80cb62da965ebac96d7def5afae4222ddb45aceec43a9762636

Aliases

arxiv: 1210.1207 · arxiv_version: 1210.1207v2 · doi: 10.48550/arxiv.1210.1207 · pith_short_12: IWFYYI3WPX4A · pith_short_16: IWFYYI3WPX4AZNRN · pith_short_8: IWFYYI3W

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/IWFYYI3WPX4AZNRNVFS6XLEW27 \
  | 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: 458b8c23767df80cb62da965ebac96d7def5afae4222ddb45aceec43a9762636

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9dd992d365e14098b818e7821c2d94630c063534235fe37f8a5fde05278526f",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2012-10-04T04:53:42Z",
    "title_canon_sha256": "1f526697e87dffe59561478a9013df552749a99b9351d6e509923df08d2a10cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.1207",
    "kind": "arxiv",
    "version": 2
  }
}