Pith Number

pith:QA627HRL

pith:2015:QA627HRL2ICTFZU5WKMSEEO4QW

not attested not anchored not stored refs pending

Background subtraction - separating the modeling and the inference

Allen Hanson, Erik Learned-Miller, Manjunath Narayana

arxiv:1511.01627 v1 · 2015-11-05 · 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{QA627HRL2ICTFZU5WKMSEEO4QW}

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	2026-05-18T01:27:45.043577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

803daf9e2bd20532e69db2992211dc8593d677147c1bdbc39fe86e4d3b96b3ab

Aliases

arxiv: 1511.01627 · arxiv_version: 1511.01627v1 · doi: 10.48550/arxiv.1511.01627 · pith_short_12: QA627HRL2ICT · pith_short_16: QA627HRL2ICTFZU5 · pith_short_8: QA627HRL

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/QA627HRL2ICTFZU5WKMSEEO4QW \
  | 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: 803daf9e2bd20532e69db2992211dc8593d677147c1bdbc39fe86e4d3b96b3ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dd1b168ced6e5538db38bb6493b2522f08bf07768d1502980863d210a2480d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-11-05T06:57:38Z",
    "title_canon_sha256": "07c34a9f3d86c5499cfd0c9ccee7fc800dd5896a2f33fe65d3e85320d152f30a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.01627",
    "kind": "arxiv",
    "version": 1
  }
}