Pith Number

pith:WYN44AQW

pith:2017:WYN44AQWE22PXM52AXOA2VV4FG

not attested not anchored not stored refs pending

BranchHull: Convex bilinear inversion from the entrywise product of signals with known signs

Ali Ahmed, Alireza Aghasi, Babhru Joshi, Paul Hand

arxiv:1702.04342 v2 · 2017-02-14 · cs.IT · math.IT · 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{WYN44AQWE22PXM52AXOA2VV4FG}

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	2026-05-17T23:56:56.043982Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b61bce021626b4fbb3ba05dc0d56bc29842aa85e6099455957d65a17742feb8e

Aliases

arxiv: 1702.04342 · arxiv_version: 1702.04342v2 · doi: 10.48550/arxiv.1702.04342 · pith_short_12: WYN44AQWE22P · pith_short_16: WYN44AQWE22PXM52 · pith_short_8: WYN44AQW

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/WYN44AQWE22PXM52AXOA2VV4FG \
  | 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: b61bce021626b4fbb3ba05dc0d56bc29842aa85e6099455957d65a17742feb8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96a0f16151a71e090420453ab6d691c7464615469f96468692fc945193e65529",
    "cross_cats_sorted": [
      "math.IT",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-02-14T18:57:29Z",
    "title_canon_sha256": "1166a9425c6edb90158289de0c69f189334f83201519292c300e007d7e5333e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.04342",
    "kind": "arxiv",
    "version": 2
  }
}