Pith Number

pith:TCLW3HPV

pith:2015:TCLW3HPVU6UHLU4BIV2KMXYFZS

not attested not anchored not stored refs pending

Asymptotic behavior of singular values of the acoustic observation problem

M. N. Demchenko

arxiv:1506.05563 v1 · 2015-06-18 · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TCLW3HPVU6UHLU4BIV2KMXYFZS}

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	2026-05-18T01:44:10.361874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98976d9df5a7a875d3814574a65f05cc903d75ab6e664db44563e6fa40bad4f5

Aliases

arxiv: 1506.05563 · arxiv_version: 1506.05563v1 · doi: 10.48550/arxiv.1506.05563 · pith_short_12: TCLW3HPVU6UH · pith_short_16: TCLW3HPVU6UHLU4B · pith_short_8: TCLW3HPV

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/TCLW3HPVU6UHLU4BIV2KMXYFZS \
  | 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: 98976d9df5a7a875d3814574a65f05cc903d75ab6e664db44563e6fa40bad4f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01c579e519135952475f725440947cac5f72e099ccfc111816e5d2091e30725d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2015-06-18T07:25:02Z",
    "title_canon_sha256": "137a6c4cfa5b561a54c4f555aee5f02df683fa2a86985938c3eeebbe3229b26c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.05563",
    "kind": "arxiv",
    "version": 1
  }
}