Pith Number

pith:LS65FJFX

pith:2018:LS65FJFXRGCSV7UKMZYCB4H4AL

not attested not anchored not stored refs pending

Delay differential equations with differentiable solution operators on open domains in $C((-\infty,0],\mathbb{R}^n)$, and processes for Volterra integro-differential equations

Hans-Otto Walther

arxiv:1801.09214 v1 · 2018-01-28 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LS65FJFXRGCSV7UKMZYCB4H4AL}

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	2026-05-18T00:24:58.214684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5cbdd2a4b789852afe8a667020f0fc02cc89d5df63992b1e2d1651705d8ac5a7

Aliases

arxiv: 1801.09214 · arxiv_version: 1801.09214v1 · doi: 10.48550/arxiv.1801.09214 · pith_short_12: LS65FJFXRGCS · pith_short_16: LS65FJFXRGCSV7UK · pith_short_8: LS65FJFX

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/LS65FJFXRGCSV7UKMZYCB4H4AL \
  | 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: 5cbdd2a4b789852afe8a667020f0fc02cc89d5df63992b1e2d1651705d8ac5a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2a4857b15082274a6535c742b642a928ecbdf0922134d73bf9a4c0e94646b19",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2018-01-28T11:50:37Z",
    "title_canon_sha256": "98dd3e57db5ca63087622d03ce12039209fc744ecba911b171dd0e0916b5a766"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09214",
    "kind": "arxiv",
    "version": 1
  }
}