Pith Number

pith:SAHNZL2O

pith:2012:SAHNZL2OEUAMDKANXXSLMMZHMK

not attested not anchored not stored refs pending

New global stability estimates for monochromatic inverse acoustic scattering

Mikhail Isaev (CMAP), Roman Novikov (CMAP)

arxiv:1210.3821 v1 · 2012-10-14 · 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{SAHNZL2OEUAMDKANXXSLMMZHMK}

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	2026-05-18T03:19:56.817459Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

900edcaf4e2500c1a80dbde4b633276289c0c70a5dc5c9dd64be39ea6c953b1c

Aliases

arxiv: 1210.3821 · arxiv_version: 1210.3821v1 · doi: 10.48550/arxiv.1210.3821 · pith_short_12: SAHNZL2OEUAM · pith_short_16: SAHNZL2OEUAMDKAN · pith_short_8: SAHNZL2O

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/SAHNZL2OEUAMDKANXXSLMMZHMK \
  | 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: 900edcaf4e2500c1a80dbde4b633276289c0c70a5dc5c9dd64be39ea6c953b1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "909d0f249137ad9559df831007addbe847379a69a804106ad6297ccb20f098e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-10-14T18:08:01Z",
    "title_canon_sha256": "f0c861836c19798d1ac9e1d7242dacd40eb42f126530389a3a9b2c3a47f1b8f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.3821",
    "kind": "arxiv",
    "version": 1
  }
}