Pith Number

pith:HWGW7AYW

pith:2012:HWGW7AYWQLUJE2E5KHFE5SFUYV

not attested not anchored not stored refs pending

Analysis of Magnification in Depth from Defocus

Arnav Bhavsar

arxiv:1203.6329 v2 · 2012-03-28 · 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{HWGW7AYWQLUJE2E5KHFE5SFUYV}

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	2026-05-18T03:41:32.194935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d8d6f831682e892689d51ca4ec8b4c54219598159f32d419927218c32264963

Aliases

arxiv: 1203.6329 · arxiv_version: 1203.6329v2 · doi: 10.48550/arxiv.1203.6329 · pith_short_12: HWGW7AYWQLUJ · pith_short_16: HWGW7AYWQLUJE2E5 · pith_short_8: HWGW7AYW

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/HWGW7AYWQLUJE2E5KHFE5SFUYV \
  | 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: 3d8d6f831682e892689d51ca4ec8b4c54219598159f32d419927218c32264963

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31b058bbdc2f0793e2d6f8c11adc9a0ea28c536f43137485ff4ce830b61f8ce4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2012-03-28T18:16:46Z",
    "title_canon_sha256": "a2290cdc26d0743d6f9c38b2b946da2ccc734c24676d5914d7d4781e0eac20c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.6329",
    "kind": "arxiv",
    "version": 2
  }
}