Pith Number

pith:O2A7K3RI

pith:2014:O2A7K3RIM3M2XUZGINT7GADOH2

not attested not anchored not stored refs pending

Exponential stability of abstract evolution equations with time delay

Cristina Pignotti, Serge Nicaise

arxiv:1405.1850 v2 · 2014-05-08 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O2A7K3RIM3M2XUZGINT7GADOH2}

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	2026-05-18T02:47:24.044781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7681f56e2866d9abd3264367f3006e3ea1ee9da4cf6c646f5fbd039a0b66cef3

Aliases

arxiv: 1405.1850 · arxiv_version: 1405.1850v2 · doi: 10.48550/arxiv.1405.1850 · pith_short_12: O2A7K3RIM3M2 · pith_short_16: O2A7K3RIM3M2XUZG · pith_short_8: O2A7K3RI

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/O2A7K3RIM3M2XUZGINT7GADOH2 \
  | 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: 7681f56e2866d9abd3264367f3006e3ea1ee9da4cf6c646f5fbd039a0b66cef3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a946dae3ae1e414aa26f752381e6b8dcf1bc88476bec39f939a24297b031cb0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-05-08T09:21:49Z",
    "title_canon_sha256": "8aca031a21105dcb8e96b71e206dde8bfa419c963e75ceaa72e5330ef767e4bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.1850",
    "kind": "arxiv",
    "version": 2
  }
}