Pith Number

pith:ERSUAOUN

pith:2020:ERSUAOUNVRUPX7KHBUIJYQ6ILC

not attested not anchored not stored refs pending

High-Contrast Reflection Tomography with Total-Variation Constraints

Ajinkya Kadu, Hassan Mansour, Petros T. Boufounos

arxiv:2005.02903 v2 · 2020-05-06 · eess.SP · cs.CE · cs.CV · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ERSUAOUNVRUPX7KHBUIJYQ6ILC}

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	2026-07-05T01:59:55.696403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2465403a8dac68fbfd470d109c43c858a05be3c943415dc315cc8b11e1b694d3

Aliases

arxiv: 2005.02903 · arxiv_version: 2005.02903v2 · doi: 10.48550/arxiv.2005.02903 · pith_short_12: ERSUAOUNVRUP · pith_short_16: ERSUAOUNVRUPX7KH · pith_short_8: ERSUAOUN

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/ERSUAOUNVRUPX7KHBUIJYQ6ILC \
  | 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: 2465403a8dac68fbfd470d109c43c858a05be3c943415dc315cc8b11e1b694d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7efbcdc8399e6a25f8ffc6e763a4894366f9421643cf9ba33f37e86825e9e1d",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.CV",
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2020-05-06T15:26:55Z",
    "title_canon_sha256": "cc6fb8d393093e4700d91b0cae154ab8a871e8d7cb3b254032f42a6533e19da6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.02903",
    "kind": "arxiv",
    "version": 2
  }
}