Pith Number

pith:SKGWSVF6

pith:2017:SKGWSVF6M2CEHRRKEPQKEOIRQL

not attested not anchored not stored refs pending

Frame Phase-retrievability and Exact phase-retrievable frames

Deguang Han, Ted Juste, Wenchang Sun, Youfa Li

arxiv:1706.07738 v1 · 2017-06-23 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SKGWSVF6M2CEHRRKEPQKEOIRQL}

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	2026-05-18T00:41:48.309151Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

928d6954be668443c62a23e0a2391182dddf03ae22e072dcb419840382601e5b

Aliases

arxiv: 1706.07738 · arxiv_version: 1706.07738v1 · doi: 10.48550/arxiv.1706.07738 · pith_short_12: SKGWSVF6M2CE · pith_short_16: SKGWSVF6M2CEHRRK · pith_short_8: SKGWSVF6

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/SKGWSVF6M2CEHRRKEPQKEOIRQL \
  | 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: 928d6954be668443c62a23e0a2391182dddf03ae22e072dcb419840382601e5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc6887138aebe51700281966aae7a0bc9a5093664d2cced483814cddeaa31a20",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2017-06-23T15:05:46Z",
    "title_canon_sha256": "14a392c82c789493ba877205711c3caca8e25fd5c707d84612be372bfe563e1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.07738",
    "kind": "arxiv",
    "version": 1
  }
}