Pith Number

pith:R66UEAO6

pith:2018:R66UEAO6PEAEWI76SNOSUJAIJN

not attested not anchored not stored refs pending

Conjectures on Perturbations of Hermitian Sequences

Giovanni Barbarino

arxiv:1808.05555 v1 · 2018-08-15 · math.RA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R66UEAO6PEAEWI76SNOSUJAIJN}

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	2026-05-18T00:07:56.656578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fbd4201de79004b23fe935d2a24084b490a4a60010642e916fcf8816ef57f6c

Aliases

arxiv: 1808.05555 · arxiv_version: 1808.05555v1 · doi: 10.48550/arxiv.1808.05555 · pith_short_12: R66UEAO6PEAE · pith_short_16: R66UEAO6PEAEWI76 · pith_short_8: R66UEAO6

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/R66UEAO6PEAEWI76SNOSUJAIJN \
  | 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: 8fbd4201de79004b23fe935d2a24084b490a4a60010642e916fcf8816ef57f6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d971e024eba918f4c7484202a75885485fbbed55ea1b3db65e0884c4cdceee1",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2018-08-15T10:58:43Z",
    "title_canon_sha256": "6b351c95bfcea874b178ae3a13fa125ff6c3a2025f5b451e535db940c2dc981d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.05555",
    "kind": "arxiv",
    "version": 1
  }
}