Pith Number

pith:L2V67LSP

pith:2019:L2V67LSPKFQ6W3Y62OOGH7CAJ2

not attested not anchored not stored refs pending

Holographic Phase Retrieval and Reference Design

David A. Barmherzig, Emmanuel J. Cand\`es, Ju Sun, Po-Nan Li, T.J. Lane

arxiv:1901.06453 v2 · 2019-01-19 · cs.IT · cs.NA · eess.SP · math.IT · math.NA · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L2V67LSPKFQ6W3Y62OOGH7CAJ2}

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	2026-07-05T09:51:22.445271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5eabefae4f5161eb6f1ed39c63fc404e9ff99b469dbbec7265591c0a24f962bd

Aliases

arxiv: 1901.06453 · arxiv_version: 1901.06453v2 · doi: 10.48550/arxiv.1901.06453 · pith_short_12: L2V67LSPKFQ6 · pith_short_16: L2V67LSPKFQ6W3Y6 · pith_short_8: L2V67LSP

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/L2V67LSPKFQ6W3Y62OOGH7CAJ2 \
  | 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: 5eabefae4f5161eb6f1ed39c63fc404e9ff99b469dbbec7265591c0a24f962bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d630c52de40dc2594f70435f8e57c6ac946ac8b259de8b3d2b37e1c6646101f2",
    "cross_cats_sorted": [
      "cs.NA",
      "eess.SP",
      "math.IT",
      "math.NA",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-01-19T01:44:42Z",
    "title_canon_sha256": "b643274466e603dcefff8a9721b13afeb283ea9ec2178220080cd097c0615829"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06453",
    "kind": "arxiv",
    "version": 2
  }
}