Pith Number

pith:BHTQ4CA5

pith:2016:BHTQ4CA5SVB5577ZQK3B3YJ6RB

not attested not anchored not stored refs pending

Phase Retrieval by Linear Algebra

A. Fannjiang, G. Liu, P. Chen

arxiv:1607.07484 v1 · 2016-07-25 · cs.IT · 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{BHTQ4CA5SVB5577ZQK3B3YJ6RB}

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	2026-05-18T01:10:28.476728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09e70e081d9543defff982b61de13e886b72f0dd67d8cbee07510ddb4bd0b481

Aliases

arxiv: 1607.07484 · arxiv_version: 1607.07484v1 · doi: 10.48550/arxiv.1607.07484 · pith_short_12: BHTQ4CA5SVB5 · pith_short_16: BHTQ4CA5SVB5577Z · pith_short_8: BHTQ4CA5

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/BHTQ4CA5SVB5577ZQK3B3YJ6RB \
  | 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: 09e70e081d9543defff982b61de13e886b72f0dd67d8cbee07510ddb4bd0b481

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4423d0b872b6358e1ed1553b132ef5f5d00fb8d0f1afee021723d74bede8564",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-07-25T21:21:13Z",
    "title_canon_sha256": "ee2e7150edf16b3816df4cafdb203edffb2a717555feade07da29694f4cf326c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.07484",
    "kind": "arxiv",
    "version": 1
  }
}