Pith Number

pith:43M2IPF6

pith:2019:43M2IPF6EPLVGRIA2JB25Y5JHF

not attested not anchored not stored refs pending

Towards Markerless Grasp Capture

Charles C. Kemp, James Hays, Samarth Brahmbhatt

arxiv:1907.07388 v1 · 2019-07-17 · 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{43M2IPF6EPLVGRIA2JB25Y5JHF}

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	2026-05-17T23:40:22.398165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6d9a43cbe23d7534500d243aee3a939632d4a927ba82048d665b31f746b5b65

Aliases

arxiv: 1907.07388 · arxiv_version: 1907.07388v1 · doi: 10.48550/arxiv.1907.07388 · pith_short_12: 43M2IPF6EPLV · pith_short_16: 43M2IPF6EPLVGRIA · pith_short_8: 43M2IPF6

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/43M2IPF6EPLVGRIA2JB25Y5JHF \
  | 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: e6d9a43cbe23d7534500d243aee3a939632d4a927ba82048d665b31f746b5b65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b07bf99a98d2797461d35b701c9edc4f12d01fff361a590626d99053e4f8aa9d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-07-17T08:41:21Z",
    "title_canon_sha256": "681a255e07401c904dc6e1f16943d45efc651caa12eab8408c22ffaa8131fa93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.07388",
    "kind": "arxiv",
    "version": 1
  }
}