Pith Number

pith:AQPKR2RI

pith:2016:AQPKR2RIK67FUZCS64YIH74MCY

not attested not anchored not stored refs pending

Correspondence Insertion for As-Projective-As-Possible Image Stitching

Tat-Jun Chin, William X. Liu

arxiv:1608.07997 v1 · 2016-08-29 · 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{AQPKR2RIK67FUZCS64YIH74MCY}

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	2026-05-18T01:07:49.423893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

041ea8ea2857be5a6452f73083ff8c161c66c7a84260cf523b29cd07d98752f3

Aliases

arxiv: 1608.07997 · arxiv_version: 1608.07997v1 · doi: 10.48550/arxiv.1608.07997 · pith_short_12: AQPKR2RIK67F · pith_short_16: AQPKR2RIK67FUZCS · pith_short_8: AQPKR2RI

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/AQPKR2RIK67FUZCS64YIH74MCY \
  | 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: 041ea8ea2857be5a6452f73083ff8c161c66c7a84260cf523b29cd07d98752f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25e42fd68bdce2a7f8e0754656288dd0c7241fe91df0fb8c380538f33b74983d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-08-29T11:09:18Z",
    "title_canon_sha256": "07855aba6c2e1504fe0d9376275bae564d4de340a4bca4a27b1b96883399c50b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.07997",
    "kind": "arxiv",
    "version": 1
  }
}