Pith Number

pith:RYAK6HHE

pith:2009:RYAK6HHEETMGZHOZ7PMWWHHFEI

not attested not anchored not stored refs pending

A New Solution to the Relative Orientation Problem using only 3 Points and the Vertical Direction

Amir Hashemi, Franck Jung, JeanPierre Guedon, Mahzad Kalantari

arxiv:0905.3964 v1 · 2009-05-25 · 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{RYAK6HHEETMGZHOZ7PMWWHHFEI}

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	2026-05-18T04:36:08.952019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e00af1ce424d86c9dd9fbd96b1ce522278720c9b7f1d8d250ddddbaf11af8cd

Aliases

arxiv: 0905.3964 · arxiv_version: 0905.3964v1 · doi: 10.48550/arxiv.0905.3964 · pith_short_12: RYAK6HHEETMG · pith_short_16: RYAK6HHEETMGZHOZ · pith_short_8: RYAK6HHE

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/RYAK6HHEETMGZHOZ7PMWWHHFEI \
  | 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: 8e00af1ce424d86c9dd9fbd96b1ce522278720c9b7f1d8d250ddddbaf11af8cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e185bd824c004a56cfba76f7757c3ad86cce1f2944fd7a06b1340a829b1fe876",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2009-05-25T08:29:01Z",
    "title_canon_sha256": "5ae5b8a302f6ec5b2a008ca6d880657392f61f37608ad283e135c7187accf8f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.3964",
    "kind": "arxiv",
    "version": 1
  }
}