Pith Number

pith:PSMIN6BC

pith:2020:PSMIN6BCQA4PNBE5PB67X5XAEX

not attested not anchored not stored refs pending

Community-Based Service Ecosystem Evolution Analysis

Mingyi Liu, Xiaofei Xu, Zhiying Tu, Zhongjie Wang

arxiv:2005.02729 v1 · 2020-05-06 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PSMIN6BCQA4PNBE5PB67X5XAEX}

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.

Cited by

1 paper in Pith

An augmented Lagrangian algorithm for constrained nonlinear least-squares

Receipt and verification

First computed	2026-07-05T01:00:55.312666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c9886f8228038f6849d787dfbf6e025ccfffdc75c3da678dd5ec9040a7d686e

Aliases

arxiv: 2005.02729 · arxiv_version: 2005.02729v1 · doi: 10.48550/arxiv.2005.02729 · pith_short_12: PSMIN6BCQA4P · pith_short_16: PSMIN6BCQA4PNBE5 · pith_short_8: PSMIN6BC

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/PSMIN6BCQA4PNBE5PB67X5XAEX \
  | 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: 7c9886f8228038f6849d787dfbf6e025ccfffdc75c3da678dd5ec9040a7d686e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f63fa3dc5aff1eae4ab2319d1e4500d74158cd6fc6dbfb9a47c4ee8a189fb1f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2020-05-06T11:00:04Z",
    "title_canon_sha256": "7208f89d86cb541407178b46f3de9e8135d60f2a20d58f7abff3e19be8bad6cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.02729",
    "kind": "arxiv",
    "version": 1
  }
}