Pith Number

pith:EPFIENSY

pith:2010:EPFIENSYXMSMMUZUDXNIF5D4KR

not attested not anchored not stored refs pending

Hyers-Ulam stability of second-order linear dynamic equations on time scales

Douglas R. Anderson

arxiv:1008.3726 v1 · 2010-08-22 · 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{EPFIENSYXMSMMUZUDXNIF5D4KR}

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	2026-05-18T03:20:06.862066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23ca823658bb24c653341dda82f47c5473fc9534511832d3e72354de9a1df135

Aliases

arxiv: 1008.3726 · arxiv_version: 1008.3726v1 · doi: 10.48550/arxiv.1008.3726 · pith_short_12: EPFIENSYXMSM · pith_short_16: EPFIENSYXMSMMUZU · pith_short_8: EPFIENSY

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/EPFIENSYXMSMMUZUDXNIF5D4KR \
  | 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: 23ca823658bb24c653341dda82f47c5473fc9534511832d3e72354de9a1df135

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89a9455b25537f5aa81f99b38cbe76f7596325c5273e5a5bc482fb04f3a73366",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2010-08-22T22:43:39Z",
    "title_canon_sha256": "385c5aa9ebba136ecbeebfe571e0eb0d27a6a35488226ec2ac1fc7c16de13ff7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.3726",
    "kind": "arxiv",
    "version": 1
  }
}