Pith Number

pith:APOVVSJF

pith:2019:APOVVSJFMERVIYAESUX5YHYJII

not attested not anchored not stored refs pending

Towards Accurate Camera Geopositioning by Image Matching

Clint Sebastian, Egor Bondarev, Peter de With, Raffaele Imbriaco

arxiv:1903.05454 v1 · 2019-03-13 · 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{APOVVSJFMERVIYAESUX5YHYJII}

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	2026-05-17T23:51:20.913472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03dd5ac9256123546004952fdc1f0942133e2dcac90c2f2f8cc0c9e34681fa56

Aliases

arxiv: 1903.05454 · arxiv_version: 1903.05454v1 · doi: 10.48550/arxiv.1903.05454 · pith_short_12: APOVVSJFMERV · pith_short_16: APOVVSJFMERVIYAE · pith_short_8: APOVVSJF

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/APOVVSJFMERVIYAESUX5YHYJII \
  | 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: 03dd5ac9256123546004952fdc1f0942133e2dcac90c2f2f8cc0c9e34681fa56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4204c939d0568420f768e1c7265744d7224b343baea51eb5fd2e0bccccbe7088",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-03-13T12:37:42Z",
    "title_canon_sha256": "a0a53d9c25d5a2597c80b4cfc46bfa490f18fbdffd32ef637f380e0048743550"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05454",
    "kind": "arxiv",
    "version": 1
  }
}