Pith Number

pith:HIR4E5AF

pith:2022:HIR4E5AF4TNHQC4JWMUVPI4KZS

not attested not anchored not stored refs pending

Follow the flow: Proximal flow inspired multi-step methods

Yifan Sun, Yushen Huang

arxiv:2211.04653 v2 · 2022-11-09 · 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{HIR4E5AF4TNHQC4JWMUVPI4KZS}

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	2026-07-05T07:03:09.450240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a23c27405e4da780b89b32957a38acc9741cab03b4cd8f489ad2d9cec57596b

Aliases

arxiv: 2211.04653 · arxiv_version: 2211.04653v2 · doi: 10.48550/arxiv.2211.04653 · pith_short_12: HIR4E5AF4TNH · pith_short_16: HIR4E5AF4TNHQC4J · pith_short_8: HIR4E5AF

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/HIR4E5AF4TNHQC4JWMUVPI4KZS \
  | 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: 3a23c27405e4da780b89b32957a38acc9741cab03b4cd8f489ad2d9cec57596b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adcf3c49983dc104ade9e108ca18c5855f5e4229e45caccbf518f8cbe651e6fd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2022-11-09T03:01:49Z",
    "title_canon_sha256": "ccf8179e67f67aa15b4520a3daafe0db542ba2b8d1acdd5fc658237c413658b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.04653",
    "kind": "arxiv",
    "version": 2
  }
}