Pith Number

pith:OYQVWX3U

pith:2018:OYQVWX3U3IPKPSLWE7TG4Y5RUV

not attested not anchored not stored refs pending

Application of Adjoint-Based Optimal Control to Intergo-Differential Forward System

Aleksey Khlyupin, Alena Kadyrova

arxiv:1812.11021 v1 · 2018-11-16 · physics.geo-ph · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OYQVWX3U3IPKPSLWE7TG4Y5RUV}

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	2026-05-17T23:57:16.534840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76215b5f74da1ea7c97627e66e63b1a5716083b5d97e1706a0f9167abd3ffeb4

Aliases

arxiv: 1812.11021 · arxiv_version: 1812.11021v1 · doi: 10.48550/arxiv.1812.11021 · pith_short_12: OYQVWX3U3IPK · pith_short_16: OYQVWX3U3IPKPSLW · pith_short_8: OYQVWX3U

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/OYQVWX3U3IPKPSLWE7TG4Y5RUV \
  | 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: 76215b5f74da1ea7c97627e66e63b1a5716083b5d97e1706a0f9167abd3ffeb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf1f947ff075310a8ccc49c63427c1a1272c28b51f933146228cbc3e8e4639d6",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2018-11-16T13:24:16Z",
    "title_canon_sha256": "45d6a1b7e2228f25f009229a0d53f8eea859222a0136f1fd5adc5cc6599f9b3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.11021",
    "kind": "arxiv",
    "version": 1
  }
}