Pith Number

pith:53VTTP4Q

pith:2021:53VTTP4Q4TAW5BZ3JYXN55XQKD

not attested not anchored not stored refs pending

The global landscape of phase retrieval II: quotient intensity models

Dong Li, Jian-Feng Cai, Meng Huang, Yang Wang

arxiv:2112.07997 v1 · 2021-12-15 · math.NA · cs.IT · cs.NA · 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{53VTTP4Q4TAW5BZ3JYXN55XQKD}

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	2026-07-05T03:41:09.366730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eeeb39bf90e4c16e873b4e2edef6f050cc62e43b8174e2ecbf75c1b32dba19b9

Aliases

arxiv: 2112.07997 · arxiv_version: 2112.07997v1 · doi: 10.48550/arxiv.2112.07997 · pith_short_12: 53VTTP4Q4TAW · pith_short_16: 53VTTP4Q4TAW5BZ3 · pith_short_8: 53VTTP4Q

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/53VTTP4Q4TAW5BZ3JYXN55XQKD \
  | 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: eeeb39bf90e4c16e873b4e2edef6f050cc62e43b8174e2ecbf75c1b32dba19b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e84abb3d4ffda7921f62511da0e34dea201098f4889f14e5ec9e237ddea6bb3a",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.NA",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-12-15T09:44:08Z",
    "title_canon_sha256": "65ba0097bc23cd2f858fbf9f227c02f5918715bca89cf88b7997c87aca4c2117"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.07997",
    "kind": "arxiv",
    "version": 1
  }
}