Pith Number

pith:7Z5ZYMKB

pith:2017:7Z5ZYMKBISLA2I635JXP5VJKDB

not attested not anchored not stored refs pending

Fundamental Matrix Estimation: A Study of Error Criteria

Ashraf S. Hussein, Mohammed E. Fathy, Mohammed F. Tolba

arxiv:1706.07886 v1 · 2017-06-24 · 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{7Z5ZYMKBISLA2I635JXP5VJKDB}

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	2026-05-18T00:41:47.285298Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe7b9c314144960d23dbea6efed52a185e38f8d4d05c721f39eb690337d95beb

Aliases

arxiv: 1706.07886 · arxiv_version: 1706.07886v1 · doi: 10.48550/arxiv.1706.07886 · pith_short_12: 7Z5ZYMKBISLA · pith_short_16: 7Z5ZYMKBISLA2I63 · pith_short_8: 7Z5ZYMKB

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/7Z5ZYMKBISLA2I635JXP5VJKDB \
  | 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: fe7b9c314144960d23dbea6efed52a185e38f8d4d05c721f39eb690337d95beb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "595a2fee10d24b49ab0e331aaabbd99221f954550c7be9c305106c7742ce936e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-06-24T00:13:29Z",
    "title_canon_sha256": "28a2b504ccd9d61ca24bc1909ab5e713fab65730249f9b33626de1f48164af06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.07886",
    "kind": "arxiv",
    "version": 1
  }
}