Pith Number

pith:QPKYRXQZ

pith:2012:QPKYRXQZ5IMSIUJ2GTECQNEFPI

not attested not anchored not stored refs pending

Stability estimate in an inverse problem for non-autonomous Schr\"odinger equations

Eric Soccorsi (CPT), Michel Cristofol (LATP)

arxiv:1209.5924 v1 · 2012-09-26 · 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{QPKYRXQZ5IMSIUJ2GTECQNEFPI}

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	2026-05-18T03:44:45.907664Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83d588de19ea1924513a34c82834857a2540fd0b60365de612824627a4ee9e01

Aliases

arxiv: 1209.5924 · arxiv_version: 1209.5924v1 · doi: 10.48550/arxiv.1209.5924 · pith_short_12: QPKYRXQZ5IMS · pith_short_16: QPKYRXQZ5IMSIUJ2 · pith_short_8: QPKYRXQZ

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/QPKYRXQZ5IMSIUJ2GTECQNEFPI \
  | 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: 83d588de19ea1924513a34c82834857a2540fd0b60365de612824627a4ee9e01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3065af538860ec08dd328f113a0418b6258d2d58d04db75b0c3015647b7d9d24",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-09-26T13:14:23Z",
    "title_canon_sha256": "ec464d266fd097d3fa2de24daa5a338c772c379bc69453a508ff3e5d2b03ef5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.5924",
    "kind": "arxiv",
    "version": 1
  }
}