Pith Number

pith:INSBGXM5

pith:2018:INSBGXM5TNSXJLC72BSW3SIXFT

not attested not anchored not stored refs pending

On Weak Observability For Evolution Systems with Skew-Adjoint Generators

Faouzi Triki, Ka\"is Ammari

arxiv:1812.07791 v1 · 2018-12-19 · 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{INSBGXM5TNSXJLC72BSW3SIXFT}

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	2026-05-17T23:57:55.970090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4364135d9d9b6574ac5fd0656dc9172cffa6599156d1cbe32932970663e2a259

Aliases

arxiv: 1812.07791 · arxiv_version: 1812.07791v1 · doi: 10.48550/arxiv.1812.07791 · pith_short_12: INSBGXM5TNSX · pith_short_16: INSBGXM5TNSXJLC7 · pith_short_8: INSBGXM5

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/INSBGXM5TNSXJLC72BSW3SIXFT \
  | 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: 4364135d9d9b6574ac5fd0656dc9172cffa6599156d1cbe32932970663e2a259

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a3905ae79adc2e8ad1826b196f71fc36170dab7a3cb897d8c9345f2cbade5ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-12-19T07:30:38Z",
    "title_canon_sha256": "14af4bcd8dcdaf87c03ea3cce4245b5b370b51d1e28fcf6161f0a3142e43463a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.07791",
    "kind": "arxiv",
    "version": 1
  }
}