Pith Number

pith:K35IQ6GZ

pith:2012:K35IQ6GZ6MG74QIS2NWVZH2ABR

not attested not anchored not stored refs pending

Instability in the Gel'fand inverse problem at high energies

Mikhail Isaev (CMAP)

arxiv:1206.2328 v1 · 2012-06-11 · 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{K35IQ6GZ6MG74QIS2NWVZH2ABR}

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	2026-05-18T03:19:56.919439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56fa8878d9f30dfe4112d36d5c9f400c4efc16426d82cd85b7e917259c5540dd

Aliases

arxiv: 1206.2328 · arxiv_version: 1206.2328v1 · doi: 10.48550/arxiv.1206.2328 · pith_short_12: K35IQ6GZ6MG7 · pith_short_16: K35IQ6GZ6MG74QIS · pith_short_8: K35IQ6GZ

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/K35IQ6GZ6MG74QIS2NWVZH2ABR \
  | 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: 56fa8878d9f30dfe4112d36d5c9f400c4efc16426d82cd85b7e917259c5540dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98818c9b7f5820e981b51f964cbd47ffc65a0bf902892212c09cd2c99fd9c46d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-06-11T19:37:00Z",
    "title_canon_sha256": "ace8090a0fba4c056c0f8f573bfa3356a8a87929cdb8edefd6a151101993b645"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.2328",
    "kind": "arxiv",
    "version": 1
  }
}