Pith Number

pith:BRQARHAN

pith:2021:BRQARHAN6RSNWMLL6Z24G727CK

not attested not anchored not stored refs pending

Differentiability and Control of a Model for Granular Material Accumulation

Carlos N. Rautenberg, Rafael Arndt

arxiv:2106.12653 v1 · 2021-06-23 · 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{BRQARHAN6RSNWMLL6Z24G727CK}

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	2026-07-05T02:52:04.598634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c60089c0df464db316bf675c37f5f12b5031ef93b9d3957fa27265c044f017b

Aliases

arxiv: 2106.12653 · arxiv_version: 2106.12653v1 · doi: 10.48550/arxiv.2106.12653 · pith_short_12: BRQARHAN6RSN · pith_short_16: BRQARHAN6RSNWMLL · pith_short_8: BRQARHAN

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/BRQARHAN6RSNWMLL6Z24G727CK \
  | 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: 0c60089c0df464db316bf675c37f5f12b5031ef93b9d3957fa27265c044f017b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d446e2d98ee6b634ffcafebdbd1a0ed215dae21300d6a628ddd082d4a6c663e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-06-23T20:46:02Z",
    "title_canon_sha256": "4f93a6adc445355da23c9ac73000ec2e5bf90d660223329b118ba4f6e3b70a06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.12653",
    "kind": "arxiv",
    "version": 1
  }
}