Pith Number

pith:FXNHU7D6

pith:2018:FXNHU7D6JFFFSPT5MA3EVQE7RM

not attested not anchored not stored refs pending

Phase retrieval from the norms of affine transformations

Meng Huang, Zhiqiang Xu

arxiv:1805.07899 v2 · 2018-05-21 · cs.IT · math.AG · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FXNHU7D6JFFFSPT5MA3EVQE7RM}

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	2026-05-18T00:14:53.178393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2dda7a7c7e494a593e7d60364ac09f8b07bfdef9dec4d1133afea75f8df7b100

Aliases

arxiv: 1805.07899 · arxiv_version: 1805.07899v2 · doi: 10.48550/arxiv.1805.07899 · pith_short_12: FXNHU7D6JFFF · pith_short_16: FXNHU7D6JFFFSPT5 · pith_short_8: FXNHU7D6

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/FXNHU7D6JFFFSPT5MA3EVQE7RM \
  | 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: 2dda7a7c7e494a593e7d60364ac09f8b07bfdef9dec4d1133afea75f8df7b100

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bcbd3379623384424349bc526a608c70d51997226f2497f57e7677a33c9486d",
    "cross_cats_sorted": [
      "math.AG",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-05-21T05:43:27Z",
    "title_canon_sha256": "f604be14335a28298d5c1de6563d79765a986e0f53b1711f924a0bf5d32532a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.07899",
    "kind": "arxiv",
    "version": 2
  }
}