Pith Number

pith:2CAJ2FQ4

pith:2017:2CAJ2FQ4BANCIOYF2AOOEIQLU3

not attested not anchored not stored refs pending

Robust Stereo Feature Descriptor for Visual Odometry

Ehsan Shojaedini, Reza Safabakhsh

arxiv:1708.07933 v2 · 2017-08-26 · 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{2CAJ2FQ4BANCIOYF2AOOEIQLU3}

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	2026-05-18T00:05:05.563740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0809d161c081a243b05d01ce2220ba6d3f10a139ff498ac70237d984bb62b02

Aliases

arxiv: 1708.07933 · arxiv_version: 1708.07933v2 · doi: 10.48550/arxiv.1708.07933 · pith_short_12: 2CAJ2FQ4BANC · pith_short_16: 2CAJ2FQ4BANCIOYF · pith_short_8: 2CAJ2FQ4

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/2CAJ2FQ4BANCIOYF2AOOEIQLU3 \
  | 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: d0809d161c081a243b05d01ce2220ba6d3f10a139ff498ac70237d984bb62b02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf27f744d3c50bb27508f6915078e560f17e81983d49dec76af53278858be9ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-08-26T05:35:02Z",
    "title_canon_sha256": "20a186f8c06292be56e67f090941c0c6a1eef78dc45b942fe7f0dc37ffce5cf3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07933",
    "kind": "arxiv",
    "version": 2
  }
}