Pith Number

pith:H5R6AFV3

pith:2015:H5R6AFV3VDKITC5MDCDBWYSQUY

not attested not anchored not stored refs pending

Extended object reconstruction from image intensities blurred by unknown aberrations

H. Paul Urbach, Niek Doelman, Silvania F. Pereira, Yifeng Shao

arxiv:1510.06254 v2 · 2015-10-21 · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H5R6AFV3VDKITC5MDCDBWYSQUY}

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	2026-05-18T01:28:37.607554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f63e016bba8d4898bac18861b6250a6232981e7aff2a19681c07f9a317d7392

Aliases

arxiv: 1510.06254 · arxiv_version: 1510.06254v2 · doi: 10.48550/arxiv.1510.06254 · pith_short_12: H5R6AFV3VDKI · pith_short_16: H5R6AFV3VDKITC5M · pith_short_8: H5R6AFV3

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/H5R6AFV3VDKITC5MDCDBWYSQUY \
  | 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: 3f63e016bba8d4898bac18861b6250a6232981e7aff2a19681c07f9a317d7392

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ca83fbdc08359b34638161cc51626f9a825155b067441f60ff2c1f75b4f6628",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-10-21T13:55:06Z",
    "title_canon_sha256": "23bfe941b3ec8d7bea9c0d61afde86c90b6bcc8ceda4cd0c2ba93d8c50513f16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.06254",
    "kind": "arxiv",
    "version": 2
  }
}