Pith Number

pith:NUPHGEY7

pith:2021:NUPHGEY77UT7M3VZA64AM5UHSE

not attested not anchored not stored refs pending

Guaranteed blind deconvolution and demixing via hierarchically sparse reconstruction

Axel Flinth, Benedikt Gro{\ss}, Gerhard Wunder, Ingo Roth, Jens Eisert

arxiv:2111.03486 v1 · 2021-11-05 · cs.IT · cs.NA · math.IT · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NUPHGEY77UT7M3VZA64AM5UHSE}

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	2026-07-05T03:29:24.948069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d1e73131ffd27f66eb907b806768791231f8b683cf4cb6bfde455139ae2ec5e

Aliases

arxiv: 2111.03486 · arxiv_version: 2111.03486v1 · doi: 10.48550/arxiv.2111.03486 · pith_short_12: NUPHGEY77UT7 · pith_short_16: NUPHGEY77UT7M3VZ · pith_short_8: NUPHGEY7

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/NUPHGEY77UT7M3VZA64AM5UHSE \
  | 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: 6d1e73131ffd27f66eb907b806768791231f8b683cf4cb6bfde455139ae2ec5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8797b5ba8cda0ade3f6b8d76ed87ebdb4330e5b2629ed659a6488f47fe03d7e9",
    "cross_cats_sorted": [
      "cs.NA",
      "math.IT",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2021-11-05T13:14:11Z",
    "title_canon_sha256": "11d623afb7ed9a88ac2b7dcd160cc1e9138185e9a1202b4a0501c680fee9823f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.03486",
    "kind": "arxiv",
    "version": 1
  }
}