Pith Number

pith:3B2NFSCA

pith:2012:3B2NFSCAQZXQSNMVDVVTBS4LT7

not attested not anchored not stored refs pending

A Hilbert Space Perspective on Ordinary Differential Equations with Memory Term

Anke Kalauch, Marcus Waurick, Rainer Picard, Sascha Trostorff, Stefan Siegmund

arxiv:1204.2924 v3 · 2012-04-13 · 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{3B2NFSCAQZXQSNMVDVVTBS4LT7}

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	2026-05-18T03:46:16.661336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d874d2c840866f0935951d6b30cb8b9ff051c48a4f8660443a5a75521a5102af

Aliases

arxiv: 1204.2924 · arxiv_version: 1204.2924v3 · doi: 10.48550/arxiv.1204.2924 · pith_short_12: 3B2NFSCAQZXQ · pith_short_16: 3B2NFSCAQZXQSNMV · pith_short_8: 3B2NFSCA

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/3B2NFSCAQZXQSNMVDVVTBS4LT7 \
  | 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: d874d2c840866f0935951d6b30cb8b9ff051c48a4f8660443a5a75521a5102af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6ff65ad2bda3e6d75e4084bb182740e4ec4337a136922da77a5c96e1b987873",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2012-04-13T08:57:07Z",
    "title_canon_sha256": "af789eeb66783945362030afb1c4b02473f77ec06fc9df09880ac275de55a33c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2924",
    "kind": "arxiv",
    "version": 3
  }
}