Pith Number

pith:YHOISRUH

pith:2018:YHOISRUH4U2CUULF4MUKE5RBTA

not attested not anchored not stored refs pending

Walking on Thin Air: Environment-Free Physics-based Markerless Motion Capture

David J. Fleet, Leonid Sigal, Marcus A. Brubaker, Micha Livne

arxiv:1812.01203 v1 · 2018-12-04 · 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{YHOISRUH4U2CUULF4MUKE5RBTA}

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	2026-05-17T23:59:13.144042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1dc894687e5342a5165e328a276219821d5b47e8a7bf0ce0f26f8f351900874

Aliases

arxiv: 1812.01203 · arxiv_version: 1812.01203v1 · doi: 10.48550/arxiv.1812.01203 · pith_short_12: YHOISRUH4U2C · pith_short_16: YHOISRUH4U2CUULF · pith_short_8: YHOISRUH

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/YHOISRUH4U2CUULF4MUKE5RBTA \
  | 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: c1dc894687e5342a5165e328a276219821d5b47e8a7bf0ce0f26f8f351900874

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89ea86773ebc2e255213b29650fb606232089fa5e384c18178d495df7c6cf220",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-12-04T03:47:13Z",
    "title_canon_sha256": "ffb59287d8429101019851339f82a59d75295284c360d5572f56318b954c8924"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.01203",
    "kind": "arxiv",
    "version": 1
  }
}