Pith Number

pith:BSQVHWPF

pith:2016:BSQVHWPFDQ5Z4MPNK6FV474Z3N

not attested not anchored not stored refs pending

Approximation of Linear Differential Equations with variable delay on an Infinite Interval

Daniel Sep\'ulveda

arxiv:1607.06960 v1 · 2016-07-23 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BSQVHWPFDQ5Z4MPNK6FV474Z3N}

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	2026-05-18T01:10:35.336815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ca153d9e51c3b9e31ed578b5e7f99db7efc2eff725117f5202e64c461bbfe98

Aliases

arxiv: 1607.06960 · arxiv_version: 1607.06960v1 · doi: 10.48550/arxiv.1607.06960 · pith_short_12: BSQVHWPFDQ5Z · pith_short_16: BSQVHWPFDQ5Z4MPN · pith_short_8: BSQVHWPF

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/BSQVHWPFDQ5Z4MPNK6FV474Z3N \
  | 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: 0ca153d9e51c3b9e31ed578b5e7f99db7efc2eff725117f5202e64c461bbfe98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1385bb8aac8c6993ef11e25a7e6e7ba99b616629916b20417deeb724b873cd98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2016-07-23T18:57:29Z",
    "title_canon_sha256": "0f704de785cf945c584eac008ca8d367b82a4bfd568909642a941d2418c5297b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.06960",
    "kind": "arxiv",
    "version": 1
  }
}