Pith Number

pith:ERIHVQCW

pith:2020:ERIHVQCWBDATXRTSBF6ZOEG2FO

not attested not anchored not stored refs pending

Understanding Human Hands in Contact at Internet Scale

Dandan Shan, David F. Fouhey, Jiaqi Geng, Michelle Shu

arxiv:2006.06669 v1 · 2020-06-11 · 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{ERIHVQCWBDATXRTSBF6ZOEG2FO}

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	2026-07-05T01:09:35.398603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24507ac05608c13bc672097d9710da2b82359c31bf091286f76f94f7ff7b68cd

Aliases

arxiv: 2006.06669 · arxiv_version: 2006.06669v1 · doi: 10.48550/arxiv.2006.06669 · pith_short_12: ERIHVQCWBDAT · pith_short_16: ERIHVQCWBDATXRTS · pith_short_8: ERIHVQCW

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/ERIHVQCWBDATXRTSBF6ZOEG2FO \
  | 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: 24507ac05608c13bc672097d9710da2b82359c31bf091286f76f94f7ff7b68cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80ce61c4ecb7c22adf6f10ce2a35ade282d55331918238228c3d0602c35ec6db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-06-11T17:59:30Z",
    "title_canon_sha256": "8e7dca6b679ec1c05a53e27a81173104a756a98ec71efc11834175e6d2049139"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.06669",
    "kind": "arxiv",
    "version": 1
  }
}