Pith Number

pith:VVN3HJBC

pith:2017:VVN3HJBC3T6RJOXBRUPRSBJZPY

not attested not anchored not stored refs pending

The Signals and Systems Approach to Animation

Andrew McCaleb Reach, Chris North

arxiv:1703.00521 v1 · 2017-03-01 · cs.GR · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VVN3HJBC3T6RJOXBRUPRSBJZPY}

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	2026-05-18T00:49:41.450698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad5bb3a422dcfd14bae18d1f1905397e161c5da8b6b8a51ba54f605d0a279cd6

Aliases

arxiv: 1703.00521 · arxiv_version: 1703.00521v1 · doi: 10.48550/arxiv.1703.00521 · pith_short_12: VVN3HJBC3T6R · pith_short_16: VVN3HJBC3T6RJOXB · pith_short_8: VVN3HJBC

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/VVN3HJBC3T6RJOXBRUPRSBJZPY \
  | 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: ad5bb3a422dcfd14bae18d1f1905397e161c5da8b6b8a51ba54f605d0a279cd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffb0c3eed97e63e1dfaec766dad20c79e6eb78e44eecd58ae1d80801bf5625b2",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2017-03-01T21:40:16Z",
    "title_canon_sha256": "ad708e77bed360a942da3813414a2ec23ca421482f4fbddba3958d669b40431b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.00521",
    "kind": "arxiv",
    "version": 1
  }
}