Pith Number

pith:4QUP3NF6

pith:2019:4QUP3NF656IJOF72H77YARXX3G

not attested not anchored not stored refs pending

Gravity as a Reference for Estimating a Person's Height from Video

Didier Bieler, Helge Rhodin, Pascal Fua, Semih G\"unel

arxiv:1909.02211 v2 · 2019-09-05 · 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{4QUP3NF656IJOF72H77YARXX3G}

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	2026-07-05T00:12:29.414404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e428fdb4beef909717fa3fff8046f7d9862e6f222e5e217fbf0e732e5a09bf92

Aliases

arxiv: 1909.02211 · arxiv_version: 1909.02211v2 · doi: 10.48550/arxiv.1909.02211 · pith_short_12: 4QUP3NF656IJ · pith_short_16: 4QUP3NF656IJOF72 · pith_short_8: 4QUP3NF6

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/4QUP3NF656IJOF72H77YARXX3G \
  | 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: e428fdb4beef909717fa3fff8046f7d9862e6f222e5e217fbf0e732e5a09bf92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55377994f7ec5ec6d379be27c7564ecd4dcb7a3d013b14dee80e18c3700df9d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-09-05T05:03:46Z",
    "title_canon_sha256": "16af6e525afc96219d2f52277dd19045d7a8e18e1553eaf33a8f0a9f99942aa9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.02211",
    "kind": "arxiv",
    "version": 2
  }
}