Pith Number

pith:EXESXFWD

pith:2017:EXESXFWDHLG7XAEQQHZDT3VIGV

not attested not anchored not stored refs pending

An Efficient Algebraic Solution to the Perspective-Three-Point Problem

Stergios Roumeliotis, Tong Ke

arxiv:1701.08237 v1 · 2017-01-28 · 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{EXESXFWDHLG7XAEQQHZDT3VIGV}

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	2026-05-18T00:51:54.825605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25c92b96c33acdfb809081f239eea8356e25744af45a863d55664c89a18954f0

Aliases

arxiv: 1701.08237 · arxiv_version: 1701.08237v1 · doi: 10.48550/arxiv.1701.08237 · pith_short_12: EXESXFWDHLG7 · pith_short_16: EXESXFWDHLG7XAEQ · pith_short_8: EXESXFWD

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/EXESXFWDHLG7XAEQQHZDT3VIGV \
  | 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: 25c92b96c33acdfb809081f239eea8356e25744af45a863d55664c89a18954f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "870b956703c39ab1a1fd1c74638b61d8f6666335b1c50de0286300c1a2033c38",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-01-28T02:16:48Z",
    "title_canon_sha256": "301cf74e2fb60e64eef995da9d0397217e069ddc4eccd7a16cbaf3fe4b5ba928"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.08237",
    "kind": "arxiv",
    "version": 1
  }
}