Pith Number

pith:R4OXU5SM

pith:2015:R4OXU5SM7NBS6Z5NXDDZCMM3QX

not attested not anchored not stored refs pending

Robust Performance-driven 3D Face Tracking in Long Range Depth Scenes

Chongyu Chen, Hai X. Pham, Jianfei Cai, Luc N. Dao, Tat-Jen Cham, Vladimir Pavlovic

arxiv:1507.02779 v1 · 2015-07-10 · 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{R4OXU5SM7NBS6Z5NXDDZCMM3QX}

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	2026-05-18T01:37:03.211137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f1d7a764cfb432f67adb8c791319b85ed258eeccf07016e432334aebf943f98

Aliases

arxiv: 1507.02779 · arxiv_version: 1507.02779v1 · doi: 10.48550/arxiv.1507.02779 · pith_short_12: R4OXU5SM7NBS · pith_short_16: R4OXU5SM7NBS6Z5N · pith_short_8: R4OXU5SM

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/R4OXU5SM7NBS6Z5NXDDZCMM3QX \
  | 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: 8f1d7a764cfb432f67adb8c791319b85ed258eeccf07016e432334aebf943f98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c793f2bf092a7aab7d8f709465386e240089894a0b34645431edcf1396192dd2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-07-10T04:52:36Z",
    "title_canon_sha256": "8a08a1942744a2a6498c57a885b936605ceb15a0636bc6801450d23c12d001b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02779",
    "kind": "arxiv",
    "version": 1
  }
}