Pith Number

pith:I3T7BSXO

pith:2015:I3T7BSXOVW7BVYJ3I2D5QQUWJR

not attested not anchored not stored refs pending

ENFT: Efficient Non-Consecutive Feature Tracking for Robust Structure-from-Motion

Guofeng Zhang, Haomin Liu, Hujun Bao, Jiaya Jia, Tien-Tsin Wong, Zilong Dong

arxiv:1510.08012 v2 · 2015-10-27 · 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{I3T7BSXOVW7BVYJ3I2D5QQUWJR}

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	2026-05-18T01:02:30.978929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46e7f0caeeadbe1ae13b4687d842964c4e11bb3fab1f0bd4b69d2dd7f228e331

Aliases

arxiv: 1510.08012 · arxiv_version: 1510.08012v2 · doi: 10.48550/arxiv.1510.08012 · pith_short_12: I3T7BSXOVW7B · pith_short_16: I3T7BSXOVW7BVYJ3 · pith_short_8: I3T7BSXO

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/I3T7BSXOVW7BVYJ3I2D5QQUWJR \
  | 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: 46e7f0caeeadbe1ae13b4687d842964c4e11bb3fab1f0bd4b69d2dd7f228e331

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b45e9f002eb2e9ea6df3ed74924171e91a8039e9dcc8348c72eb0f6c83e8017",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-10-27T18:00:42Z",
    "title_canon_sha256": "fefa7bdb1b4bf14a03c440a77bd155159d9083d746f907350f4ae7e09b952791"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.08012",
    "kind": "arxiv",
    "version": 2
  }
}