Pith Number

pith:QHGIP2G2

pith:2024:QHGIP2G24D4RBYW4STQXOH4QXE

not attested not anchored not stored refs pending

Iteratively Reweighted Least Squares for Phase Unwrapping

Alexandre d'Aspremont, Benjamin Dubois-Taine, Roland Akiki

arxiv:2401.09961 v1 · 2024-01-18 · 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{QHGIP2G24D4RBYW4STQXOH4QXE}

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	2026-07-05T07:35:04.663299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81cc87e8dae0f910e2dc94e1771f90b9074ad86a2b350d27e90b675f0d447473

Aliases

arxiv: 2401.09961 · arxiv_version: 2401.09961v1 · doi: 10.48550/arxiv.2401.09961 · pith_short_12: QHGIP2G24D4R · pith_short_16: QHGIP2G24D4RBYW4 · pith_short_8: QHGIP2G2

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/QHGIP2G24D4RBYW4STQXOH4QXE \
  | 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: 81cc87e8dae0f910e2dc94e1771f90b9074ad86a2b350d27e90b675f0d447473

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f46f2580a222d4b912afc1e1d86a34f1ab97686a74d76761d908bfcd35ed846",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2024-01-18T13:18:23Z",
    "title_canon_sha256": "9bc74b250be94a955ce53282853c32e28425c21811feac27cbdeaabd72aa6b6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.09961",
    "kind": "arxiv",
    "version": 1
  }
}