Pith Number

pith:HPAGZDQO

pith:2017:HPAGZDQOG5HAJX67IBWRTCIGOH

not attested not anchored not stored refs pending

Control and State Estimation of the One-Phase Stefan Problem via Backstepping Design

Mamadou Diagne, Miroslav Krstic, Shumon Koga

arxiv:1703.05814 v1 · 2017-03-16 · 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{HPAGZDQOG5HAJX67IBWRTCIGOH}

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	2026-05-18T00:48:32.022793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bc06c8e0e374e04dfdf406d19890671d4024c3e831eeba30af0c9a8fa9b06b1

Aliases

arxiv: 1703.05814 · arxiv_version: 1703.05814v1 · doi: 10.48550/arxiv.1703.05814 · pith_short_12: HPAGZDQOG5HA · pith_short_16: HPAGZDQOG5HAJX67 · pith_short_8: HPAGZDQO

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/HPAGZDQOG5HAJX67IBWRTCIGOH \
  | 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: 3bc06c8e0e374e04dfdf406d19890671d4024c3e831eeba30af0c9a8fa9b06b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8a51cd93e7b1996e5e8fa901cfca162a0ae5c35b102fdf2d11454c83a0ba74c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-03-16T20:47:38Z",
    "title_canon_sha256": "35ba9d5f03350c4b0550b0251f011ae6da6654c4539a77224ab6d631d476f62c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.05814",
    "kind": "arxiv",
    "version": 1
  }
}